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path: root/drivers/net/wireless/wl12xx/main.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/main.c')
-rw-r--r--drivers/net/wireless/wl12xx/main.c1790
1 files changed, 1399 insertions, 391 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 062247ef3ad..a8eaa54158c 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -30,6 +30,7 @@
#include <linux/vmalloc.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/wl12xx.h>
#include "wl12xx.h"
#include "wl12xx_80211.h"
@@ -54,7 +55,7 @@ static struct conf_drv_settings default_conf = {
[CONF_SG_BT_PER_THRESHOLD] = 7500,
[CONF_SG_HV3_MAX_OVERRIDE] = 0,
[CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
- [CONF_SG_BT_LOAD_RATIO] = 50,
+ [CONF_SG_BT_LOAD_RATIO] = 200,
[CONF_SG_AUTO_PS_MODE] = 1,
[CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
@@ -116,11 +117,11 @@ static struct conf_drv_settings default_conf = {
},
.tx = {
.tx_energy_detection = 0,
- .rc_conf = {
+ .sta_rc_conf = {
.enabled_rates = 0,
.short_retry_limit = 10,
.long_retry_limit = 10,
- .aflags = 0
+ .aflags = 0,
},
.ac_conf_count = 4,
.ac_conf = {
@@ -153,6 +154,46 @@ static struct conf_drv_settings default_conf = {
.tx_op_limit = 1504,
},
},
+ .ap_rc_conf = {
+ [0] = {
+ .enabled_rates = CONF_TX_AP_ENABLED_RATES,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ [1] = {
+ .enabled_rates = CONF_TX_AP_ENABLED_RATES,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ [2] = {
+ .enabled_rates = CONF_TX_AP_ENABLED_RATES,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ [3] = {
+ .enabled_rates = CONF_TX_AP_ENABLED_RATES,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ },
+ .ap_mgmt_conf = {
+ .enabled_rates = CONF_TX_AP_DEFAULT_MGMT_RATES,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ .ap_bcst_conf = {
+ .enabled_rates = CONF_HW_BIT_RATE_1MBPS,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0,
+ },
+ .max_tx_retries = 100,
+ .ap_aging_period = 300,
.tid_conf_count = 4,
.tid_conf = {
[CONF_TX_AC_BE] = {
@@ -193,6 +234,8 @@ static struct conf_drv_settings default_conf = {
.tx_compl_threshold = 4,
.basic_rate = CONF_HW_BIT_RATE_1MBPS,
.basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
+ .tmpl_short_retry_limit = 10,
+ .tmpl_long_retry_limit = 10,
},
.conn = {
.wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
@@ -213,8 +256,9 @@ static struct conf_drv_settings default_conf = {
.ps_poll_threshold = 10,
.ps_poll_recovery_period = 700,
.bet_enable = CONF_BET_MODE_ENABLE,
- .bet_max_consecutive = 10,
+ .bet_max_consecutive = 50,
.psm_entry_retries = 5,
+ .psm_exit_retries = 16,
.psm_entry_nullfunc_retries = 3,
.psm_entry_hangover_period = 1,
.keep_alive_interval = 55000,
@@ -233,13 +277,13 @@ static struct conf_drv_settings default_conf = {
.avg_weight_rssi_beacon = 20,
.avg_weight_rssi_data = 10,
.avg_weight_snr_beacon = 20,
- .avg_weight_snr_data = 10
+ .avg_weight_snr_data = 10,
},
.scan = {
.min_dwell_time_active = 7500,
.max_dwell_time_active = 30000,
- .min_dwell_time_passive = 30000,
- .max_dwell_time_passive = 60000,
+ .min_dwell_time_passive = 100000,
+ .max_dwell_time_passive = 100000,
.num_probe_reqs = 2,
},
.rf = {
@@ -252,9 +296,47 @@ static struct conf_drv_settings default_conf = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
},
+ .ht = {
+ .tx_ba_win_size = 64,
+ .inactivity_timeout = 10000,
+ },
+ .mem_wl127x = {
+ .num_stations = 1,
+ .ssid_profiles = 1,
+ .rx_block_num = 70,
+ .tx_min_block_num = 40,
+ .dynamic_memory = 1,
+ .min_req_tx_blocks = 100,
+ .min_req_rx_blocks = 22,
+ .tx_min = 27,
+ },
+ .mem_wl128x = {
+ .num_stations = 1,
+ .ssid_profiles = 1,
+ .rx_block_num = 40,
+ .tx_min_block_num = 40,
+ .dynamic_memory = 1,
+ .min_req_tx_blocks = 45,
+ .min_req_rx_blocks = 22,
+ .tx_min = 27,
+ },
+ .fm_coex = {
+ .enable = true,
+ .swallow_period = 5,
+ .n_divider_fref_set_1 = 0xff, /* default */
+ .n_divider_fref_set_2 = 12,
+ .m_divider_fref_set_1 = 148,
+ .m_divider_fref_set_2 = 0xffff, /* default */
+ .coex_pll_stabilization_time = 0xffffffff, /* default */
+ .ldo_stabilization_time = 0xffff, /* default */
+ .fm_disturbed_band_margin = 0xff, /* default */
+ .swallow_clk_diff = 0xff, /* default */
+ },
+ .hci_io_ds = HCI_IO_DS_6MA,
};
static void __wl1271_op_remove_interface(struct wl1271 *wl);
+static void wl1271_free_ap_keys(struct wl1271 *wl);
static void wl1271_device_release(struct device *dev)
@@ -272,6 +354,7 @@ static struct platform_device wl1271_device = {
},
};
+static DEFINE_MUTEX(wl_list_mutex);
static LIST_HEAD(wl_list);
static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
@@ -302,10 +385,12 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
return NOTIFY_DONE;
wl_temp = hw->priv;
+ mutex_lock(&wl_list_mutex);
list_for_each_entry(wl, &wl_list, list) {
if (wl == wl_temp)
break;
}
+ mutex_unlock(&wl_list_mutex);
if (wl != wl_temp)
return NOTIFY_DONE;
@@ -317,7 +402,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
goto out;
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -381,19 +466,34 @@ static int wl1271_plt_init(struct wl1271 *wl)
struct conf_tx_tid *conf_tid;
int ret, i;
- ret = wl1271_cmd_general_parms(wl);
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ ret = wl128x_cmd_general_parms(wl);
+ else
+ ret = wl1271_cmd_general_parms(wl);
if (ret < 0)
return ret;
- ret = wl1271_cmd_radio_parms(wl);
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ ret = wl128x_cmd_radio_parms(wl);
+ else
+ ret = wl1271_cmd_radio_parms(wl);
+ if (ret < 0)
+ return ret;
+
+ if (wl->chip.id != CHIP_ID_1283_PG20) {
+ ret = wl1271_cmd_ext_radio_parms(wl);
+ if (ret < 0)
+ return ret;
+ }
if (ret < 0)
return ret;
- ret = wl1271_cmd_ext_radio_parms(wl);
+ /* Chip-specific initializations */
+ ret = wl1271_chip_specific_init(wl);
if (ret < 0)
return ret;
- ret = wl1271_init_templates_config(wl);
+ ret = wl1271_sta_init_templates_config(wl);
if (ret < 0)
return ret;
@@ -420,11 +520,20 @@ static int wl1271_plt_init(struct wl1271 *wl)
if (ret < 0)
goto out_free_memmap;
+ /* FM WLAN coexistence */
+ ret = wl1271_acx_fm_coex(wl);
+ if (ret < 0)
+ goto out_free_memmap;
+
/* Energy detection */
ret = wl1271_init_energy_detection(wl);
if (ret < 0)
goto out_free_memmap;
+ ret = wl1271_acx_sta_mem_cfg(wl);
+ if (ret < 0)
+ goto out_free_memmap;
+
/* Default fragmentation threshold */
ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
if (ret < 0)
@@ -476,14 +585,73 @@ static int wl1271_plt_init(struct wl1271 *wl)
return ret;
}
+static void wl1271_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_blks)
+{
+ bool fw_ps;
+
+ /* only regulate station links */
+ if (hlid < WL1271_AP_STA_HLID_START)
+ return;
+
+ fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
+
+ /*
+ * Wake up from high level PS if the STA is asleep with too little
+ * blocks in FW or if the STA is awake.
+ */
+ if (!fw_ps || tx_blks < WL1271_PS_STA_MAX_BLOCKS)
+ wl1271_ps_link_end(wl, hlid);
+
+ /* Start high-level PS if the STA is asleep with enough blocks in FW */
+ else if (fw_ps && tx_blks >= WL1271_PS_STA_MAX_BLOCKS)
+ wl1271_ps_link_start(wl, hlid, true);
+}
+
+static void wl1271_irq_update_links_status(struct wl1271 *wl,
+ struct wl1271_fw_ap_status *status)
+{
+ u32 cur_fw_ps_map;
+ u8 hlid;
+
+ cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap);
+ if (wl->ap_fw_ps_map != cur_fw_ps_map) {
+ wl1271_debug(DEBUG_PSM,
+ "link ps prev 0x%x cur 0x%x changed 0x%x",
+ wl->ap_fw_ps_map, cur_fw_ps_map,
+ wl->ap_fw_ps_map ^ cur_fw_ps_map);
+
+ wl->ap_fw_ps_map = cur_fw_ps_map;
+ }
+
+ for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) {
+ u8 cnt = status->tx_lnk_free_blks[hlid] -
+ wl->links[hlid].prev_freed_blks;
+
+ wl->links[hlid].prev_freed_blks =
+ status->tx_lnk_free_blks[hlid];
+ wl->links[hlid].allocated_blks -= cnt;
+
+ wl1271_irq_ps_regulate_link(wl, hlid,
+ wl->links[hlid].allocated_blks);
+ }
+}
+
static void wl1271_fw_status(struct wl1271 *wl,
- struct wl1271_fw_status *status)
+ struct wl1271_fw_full_status *full_status)
{
+ struct wl1271_fw_common_status *status = &full_status->common;
struct timespec ts;
- u32 total = 0;
+ u32 old_tx_blk_count = wl->tx_blocks_available;
+ u32 freed_blocks = 0;
int i;
- wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
+ if (wl->bss_type == BSS_TYPE_AP_BSS) {
+ wl1271_raw_read(wl, FW_STATUS_ADDR, status,
+ sizeof(struct wl1271_fw_ap_status), false);
+ } else {
+ wl1271_raw_read(wl, FW_STATUS_ADDR, status,
+ sizeof(struct wl1271_fw_sta_status), false);
+ }
wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
"drv_rx_counter = %d, tx_results_counter = %d)",
@@ -494,17 +662,36 @@ static void wl1271_fw_status(struct wl1271 *wl,
/* update number of available TX blocks */
for (i = 0; i < NUM_TX_QUEUES; i++) {
- u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
- wl->tx_blocks_freed[i];
+ freed_blocks += le32_to_cpu(status->tx_released_blks[i]) -
+ wl->tx_blocks_freed[i];
wl->tx_blocks_freed[i] =
le32_to_cpu(status->tx_released_blks[i]);
- wl->tx_blocks_available += cnt;
- total += cnt;
+ }
+
+ 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;
+
+ /*
+ * The FW might change the total number of TX memblocks before
+ * we get a notification about blocks being released. Thus, the
+ * available blocks calculation might yield a temporary result
+ * which is lower than the actual available blocks. Keeping in
+ * mind that only blocks that were allocated can be moved from
+ * TX to RX, tx_blocks_available should never decrease here.
+ */
+ wl->tx_blocks_available = max((int)wl->tx_blocks_available,
+ avail);
}
/* if more blocks are available now, tx work can be scheduled */
- if (total)
+ if (wl->tx_blocks_available > old_tx_blk_count)
clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
/* update the host-chipset time offset */
@@ -513,16 +700,51 @@ static void wl1271_fw_status(struct wl1271 *wl,
(s64)le32_to_cpu(status->fw_localtime);
}
-#define WL1271_IRQ_MAX_LOOPS 10
+static void wl1271_flush_deferred_work(struct wl1271 *wl)
+{
+ struct sk_buff *skb;
-static void wl1271_irq_work(struct work_struct *work)
+ /* Pass all received frames to the network stack */
+ while ((skb = skb_dequeue(&wl->deferred_rx_queue)))
+ ieee80211_rx_ni(wl->hw, skb);
+
+ /* Return sent skbs to the network stack */
+ while ((skb = skb_dequeue(&wl->deferred_tx_queue)))
+ ieee80211_tx_status(wl->hw, skb);
+}
+
+static void wl1271_netstack_work(struct work_struct *work)
+{
+ struct wl1271 *wl =
+ container_of(work, struct wl1271, netstack_work);
+
+ do {
+ wl1271_flush_deferred_work(wl);
+ } while (skb_queue_len(&wl->deferred_rx_queue));
+}
+
+#define WL1271_IRQ_MAX_LOOPS 256
+
+irqreturn_t wl1271_irq(int irq, void *cookie)
{
int ret;
u32 intr;
int loopcount = WL1271_IRQ_MAX_LOOPS;
+ struct wl1271 *wl = (struct wl1271 *)cookie;
+ bool done = false;
+ unsigned int defer_count;
unsigned long flags;
- struct wl1271 *wl =
- container_of(work, struct wl1271, irq_work);
+
+ /* TX might be handled here, avoid redundant work */
+ set_bit(WL1271_FLAG_TX_PENDING, &wl->flags);
+ cancel_work_sync(&wl->tx_work);
+
+ /*
+ * In case edge triggered interrupt must be used, we cannot iterate
+ * more than once without introducing race conditions with the hardirq.
+ */
+ if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
+ loopcount = 1;
mutex_lock(&wl->mutex);
@@ -531,26 +753,27 @@ static void wl1271_irq_work(struct work_struct *work)
if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
- ret = wl1271_ps_elp_wakeup(wl, true);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
- spin_lock_irqsave(&wl->wl_lock, flags);
- while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
- clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
- spin_unlock_irqrestore(&wl->wl_lock, flags);
- loopcount--;
+ while (!done && loopcount--) {
+ /*
+ * In order to avoid a race with the hardirq, clear the flag
+ * before acknowledging the chip. Since the mutex is held,
+ * wl1271_ps_elp_wakeup cannot be called concurrently.
+ */
+ clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
+ smp_mb__after_clear_bit();
wl1271_fw_status(wl, wl->fw_status);
- intr = le32_to_cpu(wl->fw_status->intr);
+ intr = le32_to_cpu(wl->fw_status->common.intr);
+ intr &= WL1271_INTR_MASK;
if (!intr) {
- wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
- spin_lock_irqsave(&wl->wl_lock, flags);
+ done = true;
continue;
}
- intr &= WL1271_INTR_MASK;
-
if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) {
wl1271_error("watchdog interrupt received! "
"starting recovery.");
@@ -560,25 +783,35 @@ static void wl1271_irq_work(struct work_struct *work)
goto out;
}
- if (intr & WL1271_ACX_INTR_DATA) {
+ if (likely(intr & WL1271_ACX_INTR_DATA)) {
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
- /* check for tx results */
- if (wl->fw_status->tx_results_counter !=
- (wl->tx_results_count & 0xff))
- wl1271_tx_complete(wl);
+ wl1271_rx(wl, &wl->fw_status->common);
/* 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) {
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
/*
* In order to avoid starvation of the TX path,
* call the work function directly.
*/
wl1271_tx_work_locked(wl);
+ } else {
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
}
- wl1271_rx(wl, wl->fw_status);
+ /* check for tx results */
+ if (wl->fw_status->common.tx_results_counter !=
+ (wl->tx_results_count & 0xff))
+ wl1271_tx_complete(wl);
+
+ /* Make sure the deferred queues don't get too long */
+ defer_count = skb_queue_len(&wl->deferred_tx_queue) +
+ skb_queue_len(&wl->deferred_rx_queue);
+ if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT)
+ wl1271_flush_deferred_work(wl);
}
if (intr & WL1271_ACX_INTR_EVENT_A) {
@@ -597,28 +830,54 @@ static void wl1271_irq_work(struct work_struct *work)
if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
-
- spin_lock_irqsave(&wl->wl_lock, flags);
}
- if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
- ieee80211_queue_work(wl->hw, &wl->irq_work);
- else
- clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
- spin_unlock_irqrestore(&wl->wl_lock, flags);
-
wl1271_ps_elp_sleep(wl);
out:
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ /* 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)
+ ieee80211_queue_work(wl->hw, &wl->tx_work);
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+
mutex_unlock(&wl->mutex);
+
+ return IRQ_HANDLED;
}
+EXPORT_SYMBOL_GPL(wl1271_irq);
static int wl1271_fetch_firmware(struct wl1271 *wl)
{
const struct firmware *fw;
+ const char *fw_name;
int ret;
- ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
+ switch (wl->bss_type) {
+ case BSS_TYPE_AP_BSS:
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_AP_FW_NAME;
+ else
+ fw_name = WL127X_AP_FW_NAME;
+ break;
+ case BSS_TYPE_IBSS:
+ case BSS_TYPE_STA_BSS:
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_FW_NAME;
+ else
+ fw_name = WL1271_FW_NAME;
+ break;
+ default:
+ wl1271_error("no compatible firmware for bss_type %d",
+ wl->bss_type);
+ return -EINVAL;
+ }
+
+ wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name);
+
+ ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get firmware: %d", ret);
@@ -632,6 +891,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
goto out;
}
+ vfree(wl->fw);
wl->fw_len = fw->size;
wl->fw = vmalloc(wl->fw_len);
@@ -642,7 +902,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
}
memcpy(wl->fw, fw->data, wl->fw_len);
-
+ wl->fw_bss_type = wl->bss_type;
ret = 0;
out:
@@ -656,14 +916,14 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
const struct firmware *fw;
int ret;
- ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
+ ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get nvs file: %d", ret);
return ret;
}
- wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+ wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
@@ -768,17 +1028,33 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
+ /* end-of-transaction flag should be set in wl127x AP mode */
+ if (wl->bss_type == BSS_TYPE_AP_BSS)
+ wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION;
+
+ ret = wl1271_setup(wl);
+ if (ret < 0)
+ goto out;
+ break;
+ case CHIP_ID_1283_PG20:
+ wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
+ wl->chip.id);
+
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
+ if (wl1271_set_block_size(wl))
+ wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT;
break;
+ case CHIP_ID_1283_PG10:
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
- if (wl->fw == NULL) {
+ /* Make sure the firmware type matches the BSS type */
+ if (wl->fw == NULL || wl->fw_bss_type != wl->bss_type) {
ret = wl1271_fetch_firmware(wl);
if (ret < 0)
goto out;
@@ -795,6 +1071,24 @@ out:
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;
@@ -811,6 +1105,8 @@ int wl1271_plt_start(struct wl1271 *wl)
goto out;
}
+ wl->bss_type = BSS_TYPE_STA_BSS;
+
while (retries) {
retries--;
ret = wl1271_chip_wakeup(wl);
@@ -827,11 +1123,13 @@ int wl1271_plt_start(struct wl1271 *wl)
wl->state = WL1271_STATE_PLT;
wl1271_notice("firmware booted in PLT mode (%s)",
- wl->chip.fw_ver);
+ 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:
- wl1271_disable_interrupts(wl);
mutex_unlock(&wl->mutex);
/* Unlocking the mutex in the middle of handling is
inherently unsafe. In this case we deem it safe to do,
@@ -840,7 +1138,9 @@ irq_disable:
work function will not do anything.) Also, any other
possible concurrent operations will fail due to the
current state, hence the wl1271 struct should be safe. */
- cancel_work_sync(&wl->irq_work);
+ wl1271_disable_interrupts(wl);
+ wl1271_flush_deferred_work(wl);
+ cancel_work_sync(&wl->netstack_work);
mutex_lock(&wl->mutex);
power_off:
wl1271_power_off(wl);
@@ -854,12 +1154,10 @@ out:
return ret;
}
-int wl1271_plt_stop(struct wl1271 *wl)
+static int __wl1271_plt_stop(struct wl1271 *wl)
{
int ret = 0;
- mutex_lock(&wl->mutex);
-
wl1271_notice("power down");
if (wl->state != WL1271_STATE_PLT) {
@@ -869,87 +1167,142 @@ int wl1271_plt_stop(struct wl1271 *wl)
goto out;
}
- wl1271_disable_interrupts(wl);
wl1271_power_off(wl);
wl->state = WL1271_STATE_OFF;
wl->rx_counter = 0;
-out:
mutex_unlock(&wl->mutex);
-
- cancel_work_sync(&wl->irq_work);
+ wl1271_disable_interrupts(wl);
+ wl1271_flush_deferred_work(wl);
+ cancel_work_sync(&wl->netstack_work);
cancel_work_sync(&wl->recovery_work);
+ mutex_lock(&wl->mutex);
+out:
+ return ret;
+}
+
+int wl1271_plt_stop(struct wl1271 *wl)
+{
+ int ret;
+ mutex_lock(&wl->mutex);
+ ret = __wl1271_plt_stop(wl);
+ mutex_unlock(&wl->mutex);
return ret;
}
static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct wl1271 *wl = hw->priv;
- struct ieee80211_conf *conf = &hw->conf;
- struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = txinfo->control.sta;
unsigned long flags;
int q;
+ u8 hlid = 0;
+
+ q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
+
+ if (wl->bss_type == BSS_TYPE_AP_BSS)
+ hlid = wl1271_tx_get_hlid(skb);
- /*
- * peek into the rates configured in the STA entry.
- * The rates set after connection stage, The first block only BG sets:
- * the compare is for bit 0-16 of sta_rate_set. The second block add
- * HT rates in case of HT supported.
- */
spin_lock_irqsave(&wl->wl_lock, flags);
- if (sta &&
- (sta->supp_rates[conf->channel->band] !=
- (wl->sta_rate_set & HW_BG_RATES_MASK))) {
- wl->sta_rate_set = sta->supp_rates[conf->channel->band];
- set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
- }
-#ifdef CONFIG_WL12XX_HT
- if (sta &&
- sta->ht_cap.ht_supported &&
- ((wl->sta_rate_set >> HW_HT_RATES_OFFSET) !=
- sta->ht_cap.mcs.rx_mask[0])) {
- /* Clean MCS bits before setting them */
- wl->sta_rate_set &= HW_BG_RATES_MASK;
- wl->sta_rate_set |=
- (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET);
- set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
- }
-#endif
wl->tx_queue_count++;
- spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+ /*
+ * 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);
+ }
/* queue the packet */
- q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
- skb_queue_tail(&wl->tx_queue[q], skb);
+ if (wl->bss_type == BSS_TYPE_AP_BSS) {
+ wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q);
+ skb_queue_tail(&wl->links[hlid].tx_queue[q], skb);
+ } else {
+ skb_queue_tail(&wl->tx_queue[q], skb);
+ }
/*
* The chip specific setup must run before the first TX packet -
* before that, the tx_work will not be initialized!
*/
- if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags))
+ if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) &&
+ !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags))
ieee80211_queue_work(wl->hw, &wl->tx_work);
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+ return NETDEV_TX_OK;
+}
+
+int wl1271_tx_dummy_packet(struct wl1271 *wl)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags);
+ wl->tx_queue_count++;
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+ /* The FW is low on RX memory blocks, so send the dummy packet asap */
+ if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags))
+ wl1271_tx_work_locked(wl);
+
/*
- * The workqueue is slow to process the tx_queue and we need stop
- * the queue here, otherwise the queue will get too long.
+ * If the FW TX is busy, TX work will be scheduled by the threaded
+ * interrupt handler function
*/
- if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
- wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
+ return 0;
+}
- spin_lock_irqsave(&wl->wl_lock, flags);
- ieee80211_stop_queues(wl->hw);
- set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
- spin_unlock_irqrestore(&wl->wl_lock, flags);
+/*
+ * The size of the dummy packet should be at least 1400 bytes. However, in
+ * order to minimize the number of bus transactions, aligning it to 512 bytes
+ * boundaries could be beneficial, performance wise
+ */
+#define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512))
+
+static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl)
+{
+ struct sk_buff *skb;
+ struct ieee80211_hdr_3addr *hdr;
+ unsigned int dummy_packet_size;
+
+ dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE -
+ sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr);
+
+ skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE);
+ if (!skb) {
+ wl1271_warning("Failed to allocate a dummy packet skb");
+ return NULL;
}
- return NETDEV_TX_OK;
+ skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr));
+
+ hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr));
+ memset(hdr, 0, sizeof(*hdr));
+ hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ IEEE80211_STYPE_NULLFUNC |
+ IEEE80211_FCTL_TODS);
+
+ memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size);
+
+ /* Dummy packets require the TID to be management */
+ skb->priority = WL1271_TID_MGMT;
+
+ /* Initialize all fields that might be used */
+ skb_set_queue_mapping(skb, 0);
+ memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info));
+
+ return skb;
}
+
static struct notifier_block wl1271_dev_notifier = {
.notifier_call = wl1271_dev_notify,
};
@@ -967,6 +1320,9 @@ static int wl1271_op_start(struct ieee80211_hw *hw)
*
* The MAC address is first known when the corresponding interface
* is added. That is where we will initialize the hardware.
+ *
+ * In addition, we currently have different firmwares for AP and managed
+ * operation. We will know which to boot according to interface type.
*/
return 0;
@@ -997,6 +1353,16 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
goto out;
}
+ /*
+ * in some very corner case HW recovery scenarios its possible to
+ * get here before __wl1271_op_remove_interface is complete, so
+ * opt out if that is the case.
+ */
+ if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
switch (vif->type) {
case NL80211_IFTYPE_STATION:
wl->bss_type = BSS_TYPE_STA_BSS;
@@ -1006,6 +1372,9 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
wl->bss_type = BSS_TYPE_IBSS;
wl->set_bss_type = BSS_TYPE_STA_BSS;
break;
+ case NL80211_IFTYPE_AP:
+ wl->bss_type = BSS_TYPE_AP_BSS;
+ break;
default:
ret = -EOPNOTSUPP;
goto out;
@@ -1038,7 +1407,6 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
break;
irq_disable:
- wl1271_disable_interrupts(wl);
mutex_unlock(&wl->mutex);
/* Unlocking the mutex in the middle of handling is
inherently unsafe. In this case we deem it safe to do,
@@ -1047,7 +1415,9 @@ irq_disable:
work function will not do anything.) Also, any other
possible concurrent operations will fail due to the
current state, hence the wl1271 struct should be safe. */
- cancel_work_sync(&wl->irq_work);
+ wl1271_disable_interrupts(wl);
+ wl1271_flush_deferred_work(wl);
+ cancel_work_sync(&wl->netstack_work);
mutex_lock(&wl->mutex);
power_off:
wl1271_power_off(wl);
@@ -1061,13 +1431,17 @@ power_off:
wl->vif = vif;
wl->state = WL1271_STATE_ON;
- wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
+ set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags);
+ wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str);
/* update hw/fw version info in wiphy struct */
wiphy->hw_version = wl->chip.id;
- strncpy(wiphy->fw_version, wl->chip.fw_ver,
+ 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
@@ -1081,8 +1455,10 @@ power_off:
out:
mutex_unlock(&wl->mutex);
+ mutex_lock(&wl_list_mutex);
if (!ret)
list_add(&wl->list, &wl_list);
+ mutex_unlock(&wl_list_mutex);
return ret;
}
@@ -1093,11 +1469,15 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl)
wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
+ /* because of hardware recovery, we may get here twice */
+ if (wl->state != WL1271_STATE_ON)
+ return;
+
wl1271_info("down");
+ mutex_lock(&wl_list_mutex);
list_del(&wl->list);
-
- WARN_ON(wl->state != WL1271_STATE_ON);
+ mutex_unlock(&wl_list_mutex);
/* enable dyn ps just in case (if left on due to fw crash etc) */
if (wl->bss_type == BSS_TYPE_STA_BSS)
@@ -1105,20 +1485,23 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl)
if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
wl->scan.state = WL1271_SCAN_STATE_IDLE;
- kfree(wl->scan.scanned_ch);
- wl->scan.scanned_ch = NULL;
+ memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan.req = NULL;
ieee80211_scan_completed(wl->hw, true);
}
+ /*
+ * this must be before the cancel_work calls below, so that the work
+ * functions don't perform further work.
+ */
wl->state = WL1271_STATE_OFF;
- wl1271_disable_interrupts(wl);
-
mutex_unlock(&wl->mutex);
+ wl1271_disable_interrupts(wl);
+ wl1271_flush_deferred_work(wl);
cancel_delayed_work_sync(&wl->scan_complete_work);
- cancel_work_sync(&wl->irq_work);
+ cancel_work_sync(&wl->netstack_work);
cancel_work_sync(&wl->tx_work);
cancel_delayed_work_sync(&wl->pspoll_work);
cancel_delayed_work_sync(&wl->elp_work);
@@ -1140,6 +1523,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl)
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;
@@ -1147,10 +1531,19 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl)
wl->time_offset = 0;
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
- wl->sta_rate_set = 0;
- wl->flags = 0;
wl->vif = NULL;
wl->filters = 0;
+ wl1271_free_ap_keys(wl);
+ memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map));
+ wl->ap_fw_ps_map = 0;
+ wl->ap_ps_map = 0;
+
+ /*
+ * this is performed after the cancel_work calls and the associated
+ * mutex_lock, so that wl1271_op_add_interface does not accidentally
+ * get executed before all these vars have been reset.
+ */
+ wl->flags = 0;
for (i = 0; i < NUM_TX_QUEUES; i++)
wl->tx_blocks_freed[i] = 0;
@@ -1184,10 +1577,9 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
cancel_work_sync(&wl->recovery_work);
}
-static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
+void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
{
- wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
- wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
+ wl1271_set_default_filters(wl);
/* combine requested filters with current filter config */
filters = wl->filters | filters;
@@ -1248,10 +1640,10 @@ static int wl1271_join(struct wl1271 *wl, bool set_assoc)
* One of the side effects of the JOIN command is that is clears
* WPA/WPA2 keys from the chipset. Performing a JOIN while associated
* to a WPA/WPA2 access point will therefore kill the data-path.
- * Currently there is no supported scenario for JOIN during
- * association - if it becomes a supported scenario, the WPA/WPA2 keys
- * must be handled somehow.
- *
+ * Currently the only valid scenario for JOIN during association
+ * is on roaming, in which case we will also be given new keys.
+ * Keep the below message for now, unless it starts bothering
+ * users who really like to roam a lot :)
*/
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
wl1271_info("JOIN while associated.");
@@ -1307,7 +1699,7 @@ static int wl1271_unjoin(struct wl1271 *wl)
clear_bit(WL1271_FLAG_JOINED, &wl->flags);
memset(wl->bssid, 0, ETH_ALEN);
- /* stop filterting packets based on bssid */
+ /* stop filtering packets based on bssid */
wl1271_configure_filters(wl, FIF_OTHER_BSS);
out:
@@ -1322,25 +1714,7 @@ static void wl1271_set_band_rate(struct wl1271 *wl)
wl->basic_rate_set = wl->conf.tx.basic_rate_5;
}
-static u32 wl1271_min_rate_get(struct wl1271 *wl)
-{
- int i;
- u32 rate = 0;
-
- if (!wl->basic_rate_set) {
- WARN_ON(1);
- wl->basic_rate_set = wl->conf.tx.basic_rate;
- }
-
- for (i = 0; !rate; i++) {
- if ((wl->basic_rate_set >> i) & 0x1)
- rate = 1 << i;
- }
-
- return rate;
-}
-
-static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
+static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle)
{
int ret;
@@ -1350,9 +1724,8 @@ static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
if (ret < 0)
goto out;
}
- wl->rate_set = wl1271_min_rate_get(wl);
- wl->sta_rate_set = 0;
- ret = wl1271_acx_rate_policies(wl);
+ wl->rate_set = wl1271_tx_min_rate_get(wl);
+ ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
goto out;
ret = wl1271_acx_keep_alive_config(
@@ -1381,14 +1754,17 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
struct wl1271 *wl = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
int channel, ret = 0;
+ bool is_ap;
channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
- wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s",
+ wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s"
+ " changed 0x%x",
channel,
conf->flags & IEEE80211_CONF_PS ? "on" : "off",
conf->power_level,
- conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
+ conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use",
+ changed);
/*
* mac80211 will go to idle nearly immediately after transmitting some
@@ -1402,11 +1778,18 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
mutex_lock(&wl->mutex);
if (unlikely(wl->state == WL1271_STATE_OFF)) {
- ret = -EAGAIN;
+ /* we support configuring the channel and band while off */
+ if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+ wl->band = conf->channel->band;
+ wl->channel = channel;
+ }
+
goto out;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -1417,31 +1800,34 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
wl->band = conf->channel->band;
wl->channel = channel;
- /*
- * FIXME: the mac80211 should really provide a fixed rate
- * to use here. for now, just use the smallest possible rate
- * for the band as a fixed rate for association frames and
- * other control messages.
- */
- if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
- wl1271_set_band_rate(wl);
-
- wl->basic_rate = wl1271_min_rate_get(wl);
- ret = wl1271_acx_rate_policies(wl);
- if (ret < 0)
- wl1271_warning("rate policy for update channel "
- "failed %d", ret);
+ if (!is_ap) {
+ /*
+ * FIXME: the mac80211 should really provide a fixed
+ * rate to use here. for now, just use the smallest
+ * possible rate for the band as a fixed rate for
+ * association frames and other control messages.
+ */
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ wl1271_set_band_rate(wl);
- if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
- ret = wl1271_join(wl, false);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+ ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
- wl1271_warning("cmd join to update channel "
+ wl1271_warning("rate policy for channel "
"failed %d", ret);
+
+ if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
+ ret = wl1271_join(wl, false);
+ if (ret < 0)
+ wl1271_warning("cmd join on channel "
+ "failed %d", ret);
+ }
}
}
- if (changed & IEEE80211_CONF_CHANGE_IDLE) {
- ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE);
+ if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) {
+ ret = wl1271_sta_handle_idle(wl,
+ conf->flags & IEEE80211_CONF_IDLE);
if (ret < 0)
wl1271_warning("idle mode change failed %d", ret);
}
@@ -1548,7 +1934,8 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
struct wl1271 *wl = hw->priv;
int ret;
- wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
+ wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x"
+ " total %x", changed, *total);
mutex_lock(&wl->mutex);
@@ -1558,19 +1945,20 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
-
- if (*total & FIF_ALLMULTI)
- ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
- else if (fp)
- ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
- fp->mc_list,
- fp->mc_list_length);
- if (ret < 0)
- goto out_sleep;
+ if (wl->bss_type != BSS_TYPE_AP_BSS) {
+ if (*total & FIF_ALLMULTI)
+ ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
+ else if (fp)
+ ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
+ fp->mc_list,
+ fp->mc_list_length);
+ if (ret < 0)
+ goto out_sleep;
+ }
/* determine, whether supported filter values have changed */
if (changed == 0)
@@ -1593,38 +1981,192 @@ out:
kfree(fp);
}
+static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type,
+ u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
+ u16 tx_seq_16)
+{
+ struct wl1271_ap_key *ap_key;
+ int i;
+
+ wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id);
+
+ if (key_size > MAX_KEY_SIZE)
+ return -EINVAL;
+
+ /*
+ * Find next free entry in ap_keys. Also check we are not replacing
+ * an existing key.
+ */
+ for (i = 0; i < MAX_NUM_KEYS; i++) {
+ if (wl->recorded_ap_keys[i] == NULL)
+ break;
+
+ if (wl->recorded_ap_keys[i]->id == id) {
+ wl1271_warning("trying to record key replacement");
+ return -EINVAL;
+ }
+ }
+
+ if (i == MAX_NUM_KEYS)
+ return -EBUSY;
+
+ ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL);
+ if (!ap_key)
+ return -ENOMEM;
+
+ ap_key->id = id;
+ ap_key->key_type = key_type;
+ ap_key->key_size = key_size;
+ memcpy(ap_key->key, key, key_size);
+ ap_key->hlid = hlid;
+ ap_key->tx_seq_32 = tx_seq_32;
+ ap_key->tx_seq_16 = tx_seq_16;
+
+ wl->recorded_ap_keys[i] = ap_key;
+ return 0;
+}
+
+static void wl1271_free_ap_keys(struct wl1271 *wl)
+{
+ int i;
+
+ for (i = 0; i < MAX_NUM_KEYS; i++) {
+ kfree(wl->recorded_ap_keys[i]);
+ wl->recorded_ap_keys[i] = NULL;
+ }
+}
+
+static int wl1271_ap_init_hwenc(struct wl1271 *wl)
+{
+ int i, ret = 0;
+ struct wl1271_ap_key *key;
+ bool wep_key_added = false;
+
+ for (i = 0; i < MAX_NUM_KEYS; i++) {
+ if (wl->recorded_ap_keys[i] == NULL)
+ break;
+
+ key = wl->recorded_ap_keys[i];
+ ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE,
+ key->id, key->key_type,
+ key->key_size, key->key,
+ key->hlid, key->tx_seq_32,
+ key->tx_seq_16);
+ if (ret < 0)
+ goto out;
+
+ if (key->key_type == KEY_WEP)
+ wep_key_added = true;
+ }
+
+ if (wep_key_added) {
+ ret = wl1271_cmd_set_ap_default_wep_key(wl, wl->default_key);
+ if (ret < 0)
+ goto out;
+ }
+
+out:
+ wl1271_free_ap_keys(wl);
+ return ret;
+}
+
+static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
+ u8 key_size, const u8 *key, u32 tx_seq_32,
+ u16 tx_seq_16, struct ieee80211_sta *sta)
+{
+ int ret;
+ bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+
+ if (is_ap) {
+ struct wl1271_station *wl_sta;
+ u8 hlid;
+
+ if (sta) {
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
+ hlid = wl_sta->hlid;
+ } else {
+ hlid = WL1271_AP_BROADCAST_HLID;
+ }
+
+ if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) {
+ /*
+ * We do not support removing keys after AP shutdown.
+ * Pretend we do to make mac80211 happy.
+ */
+ if (action != KEY_ADD_OR_REPLACE)
+ return 0;
+
+ ret = wl1271_record_ap_key(wl, id,
+ key_type, key_size,
+ key, hlid, tx_seq_32,
+ tx_seq_16);
+ } else {
+ ret = wl1271_cmd_set_ap_key(wl, action,
+ id, key_type, key_size,
+ key, hlid, tx_seq_32,
+ tx_seq_16);
+ }
+
+ if (ret < 0)
+ return ret;
+ } else {
+ const u8 *addr;
+ static const u8 bcast_addr[ETH_ALEN] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+ };
+
+ addr = sta ? sta->addr : bcast_addr;
+
+ if (is_zero_ether_addr(addr)) {
+ /* We dont support TX only encryption */
+ return -EOPNOTSUPP;
+ }
+
+ /* The wl1271 does not allow to remove unicast keys - they
+ will be cleared automatically on next CMD_JOIN. Ignore the
+ request silently, as we dont want the mac80211 to emit
+ an error message. */
+ if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr))
+ return 0;
+
+ ret = wl1271_cmd_set_sta_key(wl, action,
+ id, key_type, key_size,
+ key, addr, tx_seq_32,
+ tx_seq_16);
+ if (ret < 0)
+ return ret;
+
+ /* the default WEP key needs to be configured at least once */
+ if (key_type == KEY_WEP) {
+ ret = wl1271_cmd_set_sta_default_wep_key(wl,
+ wl->default_key);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key_conf)
{
struct wl1271 *wl = hw->priv;
- const u8 *addr;
int ret;
u32 tx_seq_32 = 0;
u16 tx_seq_16 = 0;
u8 key_type;
- static const u8 bcast_addr[ETH_ALEN] =
- { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
- addr = sta ? sta->addr : bcast_addr;
-
- wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
- wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
+ wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta);
wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
key_conf->cipher, key_conf->keyidx,
key_conf->keylen, key_conf->flags);
wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
- if (is_zero_ether_addr(addr)) {
- /* We dont support TX only encryption */
- ret = -EOPNOTSUPP;
- goto out;
- }
-
mutex_lock(&wl->mutex);
if (unlikely(wl->state == WL1271_STATE_OFF)) {
@@ -1632,7 +2174,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
goto out_unlock;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out_unlock;
@@ -1671,36 +2213,21 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
switch (cmd) {
case SET_KEY:
- ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
- key_conf->keyidx, key_type,
- key_conf->keylen, key_conf->key,
- addr, tx_seq_32, tx_seq_16);
+ ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE,
+ key_conf->keyidx, key_type,
+ key_conf->keylen, key_conf->key,
+ tx_seq_32, tx_seq_16, sta);
if (ret < 0) {
wl1271_error("Could not add or replace key");
goto out_sleep;
}
-
- /* the default WEP key needs to be configured at least once */
- if (key_type == KEY_WEP) {
- ret = wl1271_cmd_set_default_wep_key(wl,
- wl->default_key);
- if (ret < 0)
- goto out_sleep;
- }
break;
case DISABLE_KEY:
- /* The wl1271 does not allow to remove unicast keys - they
- will be cleared automatically on next CMD_JOIN. Ignore the
- request silently, as we dont want the mac80211 to emit
- an error message. */
- if (!is_broadcast_ether_addr(addr))
- break;
-
- ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
- key_conf->keyidx, key_type,
- key_conf->keylen, key_conf->key,
- addr, 0, 0);
+ ret = wl1271_set_key(wl, KEY_REMOVE,
+ key_conf->keyidx, key_type,
+ key_conf->keylen, key_conf->key,
+ 0, 0, sta);
if (ret < 0) {
wl1271_error("Could not remove key");
goto out_sleep;
@@ -1719,7 +2246,6 @@ out_sleep:
out_unlock:
mutex_unlock(&wl->mutex);
-out:
return ret;
}
@@ -1751,7 +2277,7 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
goto out;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -1777,7 +2303,7 @@ static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
goto out;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -1805,7 +2331,7 @@ static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
goto out;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -1821,7 +2347,7 @@ out:
return ret;
}
-static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
+static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
int offset)
{
u8 *ptr = skb->data + offset;
@@ -1831,89 +2357,231 @@ static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
if (ptr[0] == WLAN_EID_SSID) {
wl->ssid_len = ptr[1];
memcpy(wl->ssid, ptr+2, wl->ssid_len);
- return;
+ return 0;
}
ptr += (ptr[1] + 2);
}
+
wl1271_error("No SSID in IEs!\n");
+ return -ENOENT;
}
-static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
+static int wl1271_bss_erp_info_changed(struct wl1271 *wl,
struct ieee80211_bss_conf *bss_conf,
u32 changed)
{
- enum wl1271_cmd_ps_mode mode;
- struct wl1271 *wl = hw->priv;
- struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
- bool do_join = false;
- bool set_assoc = false;
- int ret;
+ int ret = 0;
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ if (bss_conf->use_short_slot)
+ ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
+ else
+ ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
+ if (ret < 0) {
+ wl1271_warning("Set slot time failed %d", ret);
+ goto out;
+ }
+ }
- wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ if (bss_conf->use_short_preamble)
+ wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
+ else
+ wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
+ }
- mutex_lock(&wl->mutex);
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ if (bss_conf->use_cts_prot)
+ ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
+ else
+ ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
+ if (ret < 0) {
+ wl1271_warning("Set ctsprotect failed %d", ret);
+ goto out;
+ }
+ }
- if (unlikely(wl->state == WL1271_STATE_OFF))
- goto out;
+out:
+ return ret;
+}
- ret = wl1271_ps_elp_wakeup(wl, false);
- if (ret < 0)
- goto out;
+static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+ int ret = 0;
- if ((changed & BSS_CHANGED_BEACON_INT) &&
- (wl->bss_type == BSS_TYPE_IBSS)) {
- wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d",
+ if ((changed & BSS_CHANGED_BEACON_INT)) {
+ wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d",
bss_conf->beacon_int);
wl->beacon_int = bss_conf->beacon_int;
- do_join = true;
}
- if ((changed & BSS_CHANGED_BEACON) &&
- (wl->bss_type == BSS_TYPE_IBSS)) {
- struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
+ if ((changed & BSS_CHANGED_BEACON)) {
+ struct ieee80211_hdr *hdr;
+ int ieoffset = offsetof(struct ieee80211_mgmt,
+ u.beacon.variable);
+ struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif);
+ u16 tmpl_id;
- wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated");
+ if (!beacon)
+ goto out;
- if (beacon) {
- struct ieee80211_hdr *hdr;
- int ieoffset = offsetof(struct ieee80211_mgmt,
- u.beacon.variable);
+ wl1271_debug(DEBUG_MASTER, "beacon updated");
- wl1271_ssid_set(wl, beacon, ieoffset);
+ ret = wl1271_ssid_set(wl, beacon, ieoffset);
+ if (ret < 0) {
+ dev_kfree_skb(beacon);
+ goto out;
+ }
+ tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON :
+ CMD_TEMPL_BEACON;
+ ret = wl1271_cmd_template_set(wl, tmpl_id,
+ beacon->data,
+ beacon->len, 0,
+ wl1271_tx_min_rate_get(wl));
+ if (ret < 0) {
+ dev_kfree_skb(beacon);
+ goto out;
+ }
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
- beacon->data,
- beacon->len, 0,
- wl1271_min_rate_get(wl));
+ hdr = (struct ieee80211_hdr *) beacon->data;
+ hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+
+ tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE :
+ CMD_TEMPL_PROBE_RESPONSE;
+ ret = wl1271_cmd_template_set(wl,
+ tmpl_id,
+ beacon->data,
+ beacon->len, 0,
+ wl1271_tx_min_rate_get(wl));
+ dev_kfree_skb(beacon);
+ if (ret < 0)
+ goto out;
+ }
- if (ret < 0) {
- dev_kfree_skb(beacon);
- goto out_sleep;
+out:
+ return ret;
+}
+
+/* AP mode changes */
+static void wl1271_bss_info_changed_ap(struct wl1271 *wl,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ int ret = 0;
+
+ if ((changed & BSS_CHANGED_BASIC_RATES)) {
+ u32 rates = bss_conf->basic_rates;
+ struct conf_tx_rate_class mgmt_rc;
+
+ wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+ wl1271_debug(DEBUG_AP, "basic rates: 0x%x",
+ wl->basic_rate_set);
+
+ /* update the AP management rate policy with the new rates */
+ mgmt_rc.enabled_rates = wl->basic_rate_set;
+ mgmt_rc.long_retry_limit = 10;
+ mgmt_rc.short_retry_limit = 10;
+ mgmt_rc.aflags = 0;
+ ret = wl1271_acx_ap_rate_policy(wl, &mgmt_rc,
+ ACX_TX_AP_MODE_MGMT_RATE);
+ if (ret < 0) {
+ wl1271_error("AP mgmt policy change failed %d", ret);
+ goto out;
+ }
+ }
+
+ ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed);
+ if (ret < 0)
+ goto out;
+
+ if ((changed & BSS_CHANGED_BEACON_ENABLED)) {
+ if (bss_conf->enable_beacon) {
+ if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) {
+ ret = wl1271_cmd_start_bss(wl);
+ if (ret < 0)
+ goto out;
+
+ set_bit(WL1271_FLAG_AP_STARTED, &wl->flags);
+ wl1271_debug(DEBUG_AP, "started AP");
+
+ ret = wl1271_ap_init_hwenc(wl);
+ if (ret < 0)
+ goto out;
}
+ } else {
+ if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) {
+ ret = wl1271_cmd_stop_bss(wl);
+ if (ret < 0)
+ goto out;
+
+ clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags);
+ wl1271_debug(DEBUG_AP, "stopped AP");
+ }
+ }
+ }
- hdr = (struct ieee80211_hdr *) beacon->data;
- hdr->frame_control = cpu_to_le16(
- IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
+ if (changed & BSS_CHANGED_IBSS) {
+ wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d",
+ bss_conf->ibss_joined);
- ret = wl1271_cmd_template_set(wl,
- CMD_TEMPL_PROBE_RESPONSE,
- beacon->data,
- beacon->len, 0,
- wl1271_min_rate_get(wl));
- dev_kfree_skb(beacon);
- if (ret < 0)
- goto out_sleep;
+ 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);
- /* Need to update the SSID (for filtering etc) */
- do_join = true;
+ /* 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;
}
}
- if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
- (wl->bss_type == BSS_TYPE_IBSS)) {
+ ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed);
+ if (ret < 0)
+ goto out;
+out:
+ return;
+}
+
+/* STA/IBSS mode changes */
+static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ bool do_join = false, set_assoc = false;
+ bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS);
+ u32 sta_rate_set = 0;
+ int ret;
+ struct ieee80211_sta *sta;
+ bool sta_exists = false;
+ struct ieee80211_sta_ht_cap sta_ht_cap;
+
+ if (is_ibss) {
+ ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf,
+ changed);
+ if (ret < 0)
+ goto out;
+ }
+
+ if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss)
+ do_join = true;
+
+ /* Need to update the SSID (for filtering etc) */
+ if ((changed & BSS_CHANGED_BEACON) && is_ibss)
+ do_join = true;
+
+ if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) {
wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s",
bss_conf->enable_beacon ? "enabled" : "disabled");
@@ -1924,7 +2592,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
do_join = true;
}
- if (changed & BSS_CHANGED_CQM) {
+ if ((changed & BSS_CHANGED_CQM)) {
bool enable = false;
if (bss_conf->cqm_rssi_thold)
enable = true;
@@ -1942,24 +2610,70 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
* and enable the BSSID filter
*/
memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
- memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
+ memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
+ if (!is_zero_ether_addr(wl->bssid)) {
ret = wl1271_cmd_build_null_data(wl);
if (ret < 0)
- goto out_sleep;
+ goto out;
ret = wl1271_build_qos_null_data(wl);
if (ret < 0)
- goto out_sleep;
+ goto out;
/* filter out all packets not from this BSSID */
wl1271_configure_filters(wl, 0);
/* Need to update the BSSID (for filtering etc) */
do_join = true;
+ }
}
- if (changed & BSS_CHANGED_ASSOC) {
+ rcu_read_lock();
+ sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ if (sta) {
+ /* save the supp_rates of the ap */
+ sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band];
+ if (sta->ht_cap.ht_supported)
+ sta_rate_set |=
+ (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET);
+ sta_ht_cap = sta->ht_cap;
+ sta_exists = true;
+ }
+ rcu_read_unlock();
+
+ if (sta_exists) {
+ /* handle new association with HT and HT information change */
+ if ((changed & BSS_CHANGED_HT) &&
+ (bss_conf->channel_type != NL80211_CHAN_NO_HT)) {
+ ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap,
+ true);
+ if (ret < 0) {
+ wl1271_warning("Set ht cap true failed %d",
+ ret);
+ goto out;
+ }
+ ret = wl1271_acx_set_ht_information(wl,
+ bss_conf->ht_operation_mode);
+ if (ret < 0) {
+ wl1271_warning("Set ht information failed %d",
+ ret);
+ goto out;
+ }
+ }
+ /* handle new association without HT and disassociation */
+ else if (changed & BSS_CHANGED_ASSOC) {
+ ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap,
+ false);
+ if (ret < 0) {
+ wl1271_warning("Set ht cap false failed %d",
+ ret);
+ goto out;
+ }
+ }
+ }
+
+ if ((changed & BSS_CHANGED_ASSOC)) {
if (bss_conf->assoc) {
u32 rates;
int ieoffset;
@@ -1975,10 +2689,13 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
rates = bss_conf->basic_rates;
wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
rates);
- wl->basic_rate = wl1271_min_rate_get(wl);
- ret = wl1271_acx_rate_policies(wl);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+ if (sta_rate_set)
+ wl->rate_set = wl1271_tx_enabled_rates_get(wl,
+ sta_rate_set);
+ ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
- goto out_sleep;
+ goto out;
/*
* with wl1271, we don't need to update the
@@ -1988,7 +2705,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
*/
ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
if (ret < 0)
- goto out_sleep;
+ goto out;
/*
* Get a template for hardware connection maintenance
@@ -2002,22 +2719,26 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
/* enable the connection monitoring feature */
ret = wl1271_acx_conn_monit_params(wl, true);
if (ret < 0)
- goto out_sleep;
+ goto out;
/* If we want to go in PSM but we're not there yet */
if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+ enum wl1271_cmd_ps_mode mode;
+
mode = STATION_POWER_SAVE_MODE;
ret = wl1271_ps_set_mode(wl, mode,
wl->basic_rate,
true);
if (ret < 0)
- goto out_sleep;
+ goto out;
}
} else {
/* use defaults when not associated */
+ bool was_assoc =
+ !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED,
+ &wl->flags);
clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags);
- clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
wl->aid = 0;
/* free probe-request template */
@@ -2029,10 +2750,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
/* revert back to minimum rates for the current band */
wl1271_set_band_rate(wl);
- wl->basic_rate = wl1271_min_rate_get(wl);
- ret = wl1271_acx_rate_policies(wl);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+ ret = wl1271_acx_sta_rate_policies(wl);
if (ret < 0)
- goto out_sleep;
+ goto out;
/* disable connection monitor features */
ret = wl1271_acx_conn_monit_params(wl, false);
@@ -2040,74 +2761,19 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
/* Disable the keep-alive feature */
ret = wl1271_acx_keep_alive_mode(wl, false);
if (ret < 0)
- goto out_sleep;
+ goto out;
/* restore the bssid filter and go to dummy bssid */
- wl1271_unjoin(wl);
- wl1271_dummy_join(wl);
- }
-
- }
-
- if (changed & BSS_CHANGED_ERP_SLOT) {
- if (bss_conf->use_short_slot)
- ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
- else
- ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
- if (ret < 0) {
- wl1271_warning("Set slot time failed %d", ret);
- goto out_sleep;
- }
- }
-
- if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- if (bss_conf->use_short_preamble)
- wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
- else
- wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
- }
-
- if (changed & BSS_CHANGED_ERP_CTS_PROT) {
- if (bss_conf->use_cts_prot)
- ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
- else
- ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
- if (ret < 0) {
- wl1271_warning("Set ctsprotect failed %d", ret);
- goto out_sleep;
+ if (was_assoc) {
+ wl1271_unjoin(wl);
+ wl1271_dummy_join(wl);
+ }
}
}
- /*
- * Takes care of: New association with HT enable,
- * HT information change in beacon.
- */
- if (sta &&
- (changed & BSS_CHANGED_HT) &&
- (bss_conf->channel_type != NL80211_CHAN_NO_HT)) {
- ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true);
- if (ret < 0) {
- wl1271_warning("Set ht cap true failed %d", ret);
- goto out_sleep;
- }
- ret = wl1271_acx_set_ht_information(wl,
- bss_conf->ht_operation_mode);
- if (ret < 0) {
- wl1271_warning("Set ht information failed %d", ret);
- goto out_sleep;
- }
- }
- /*
- * Takes care of: New association without HT,
- * Disassociation.
- */
- else if (sta && (changed & BSS_CHANGED_ASSOC)) {
- ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, false);
- if (ret < 0) {
- wl1271_warning("Set ht cap false failed %d", ret);
- goto out_sleep;
- }
- }
+ ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed);
+ if (ret < 0)
+ goto out;
if (changed & BSS_CHANGED_ARP_FILTER) {
__be32 addr = bss_conf->arp_addr_list[0];
@@ -2124,29 +2790,57 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
ret = wl1271_cmd_build_arp_rsp(wl, addr);
if (ret < 0) {
wl1271_warning("build arp rsp failed: %d", ret);
- goto out_sleep;
+ goto out;
}
ret = wl1271_acx_arp_ip_filter(wl,
- (ACX_ARP_FILTER_ARP_FILTERING |
- ACX_ARP_FILTER_AUTO_ARP),
+ ACX_ARP_FILTER_ARP_FILTERING,
addr);
} else
ret = wl1271_acx_arp_ip_filter(wl, 0, addr);
if (ret < 0)
- goto out_sleep;
+ goto out;
}
if (do_join) {
ret = wl1271_join(wl, set_assoc);
if (ret < 0) {
wl1271_warning("cmd join failed %d", ret);
- goto out_sleep;
+ goto out;
}
}
-out_sleep:
+out:
+ return;
+}
+
+static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ struct wl1271 *wl = hw->priv;
+ bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x",
+ (int)changed);
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ if (is_ap)
+ wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed);
+ else
+ wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed);
+
wl1271_ps_elp_sleep(wl);
out:
@@ -2158,39 +2852,62 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
{
struct wl1271 *wl = hw->priv;
u8 ps_scheme;
- int ret;
+ int ret = 0;
mutex_lock(&wl->mutex);
wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
- if (unlikely(wl->state == WL1271_STATE_OFF)) {
- ret = -EAGAIN;
+ if (params->uapsd)
+ ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
+ else
+ ps_scheme = CONF_PS_SCHEME_LEGACY;
+
+ if (wl->state == WL1271_STATE_OFF) {
+ /*
+ * If the state is off, the parameters will be recorded and
+ * configured on init. This happens in AP-mode.
+ */
+ struct conf_tx_ac_category *conf_ac =
+ &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)];
+ struct conf_tx_tid *conf_tid =
+ &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)];
+
+ conf_ac->ac = wl1271_tx_get_queue(queue);
+ conf_ac->cw_min = (u8)params->cw_min;
+ conf_ac->cw_max = params->cw_max;
+ conf_ac->aifsn = params->aifs;
+ conf_ac->tx_op_limit = params->txop << 5;
+
+ conf_tid->queue_id = wl1271_tx_get_queue(queue);
+ conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF;
+ conf_tid->tsid = wl1271_tx_get_queue(queue);
+ conf_tid->ps_scheme = ps_scheme;
+ conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY;
+ conf_tid->apsd_conf[0] = 0;
+ conf_tid->apsd_conf[1] = 0;
goto out;
}
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
- /* the txop is confed in units of 32us by the mac80211, we need us */
+ /*
+ * the txop is confed in units of 32us by the mac80211,
+ * we need us
+ */
ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
params->cw_min, params->cw_max,
params->aifs, params->txop << 5);
if (ret < 0)
goto out_sleep;
- if (params->uapsd)
- ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
- else
- ps_scheme = CONF_PS_SCHEME_LEGACY;
-
ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
CONF_CHANNEL_TYPE_EDCF,
wl1271_tx_get_queue(queue),
- ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
- if (ret < 0)
- goto out_sleep;
+ ps_scheme, CONF_ACK_POLICY_LEGACY,
+ 0, 0);
out_sleep:
wl1271_ps_elp_sleep(wl);
@@ -2215,7 +2932,7 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -2247,6 +2964,223 @@ static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
return 0;
}
+static int wl1271_allocate_sta(struct wl1271 *wl,
+ struct ieee80211_sta *sta,
+ u8 *hlid)
+{
+ struct wl1271_station *wl_sta;
+ int id;
+
+ id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS);
+ if (id >= AP_MAX_STATIONS) {
+ wl1271_warning("could not allocate HLID - too much stations");
+ return -EBUSY;
+ }
+
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
+ __set_bit(id, wl->ap_hlid_map);
+ wl_sta->hlid = WL1271_AP_STA_HLID_START + id;
+ *hlid = wl_sta->hlid;
+ memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN);
+ return 0;
+}
+
+static void wl1271_free_sta(struct wl1271 *wl, u8 hlid)
+{
+ int id = hlid - WL1271_AP_STA_HLID_START;
+
+ if (WARN_ON(!test_bit(id, wl->ap_hlid_map)))
+ return;
+
+ __clear_bit(id, wl->ap_hlid_map);
+ memset(wl->links[hlid].addr, 0, ETH_ALEN);
+ wl1271_tx_reset_link_queues(wl, hlid);
+ __clear_bit(hlid, &wl->ap_ps_map);
+ __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)
+{
+ struct wl1271 *wl = hw->priv;
+ int ret = 0;
+ u8 hlid;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
+
+ if (wl->bss_type != BSS_TYPE_AP_BSS)
+ goto out;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid);
+
+ ret = wl1271_allocate_sta(wl, sta, &hlid);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out_free_sta;
+
+ ret = wl1271_cmd_add_sta(wl, sta, hlid);
+ if (ret < 0)
+ goto out_sleep;
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+
+out_free_sta:
+ if (ret < 0)
+ wl1271_free_sta(wl, hlid);
+
+out:
+ mutex_unlock(&wl->mutex);
+ return ret;
+}
+
+static int wl1271_op_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct wl1271 *wl = hw->priv;
+ struct wl1271_station *wl_sta;
+ int ret = 0, id;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
+
+ if (wl->bss_type != BSS_TYPE_AP_BSS)
+ goto out;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid);
+
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
+ id = wl_sta->hlid - WL1271_AP_STA_HLID_START;
+ if (WARN_ON(!test_bit(id, wl->ap_hlid_map)))
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_cmd_remove_sta(wl, wl_sta->hlid);
+ if (ret < 0)
+ goto out_sleep;
+
+ wl1271_free_sta(wl, wl_sta->hlid);
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+ return ret;
+}
+
+/*
+ * int (*ampdu_action)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+*/
+
+static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn
+#if 0
+ , u8 buf_size
+#endif
+ )
+{
+ struct wl1271 *wl = hw->priv;
+ int ret;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ if (wl->ba_support) {
+ ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn,
+ true);
+ if (!ret)
+ wl->ba_rx_bitmap |= BIT(tid);
+ } else {
+ ret = -ENOTSUPP;
+ }
+ break;
+
+ case IEEE80211_AMPDU_RX_STOP:
+ ret = wl1271_acx_set_ba_receiver_session(wl, tid, 0, false);
+ if (!ret)
+ wl->ba_rx_bitmap &= ~BIT(tid);
+ break;
+
+ /*
+ * The BA initiator session management in FW independently.
+ * Falling break here on purpose for all TX APDU commands.
+ */
+ case IEEE80211_AMPDU_TX_START:
+ case IEEE80211_AMPDU_TX_STOP:
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ ret = -EINVAL;
+ break;
+
+ default:
+ wl1271_error("Incorrect ampdu action id=%x\n", action);
+ ret = -EINVAL;
+ }
+
+ wl1271_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+
+ return ret;
+}
+
+static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw)
+{
+ struct wl1271 *wl = hw->priv;
+ bool ret = false;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ 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);
+
+ /* the above is appropriate for STA mode for PS purposes */
+ WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
+
+out:
+ mutex_unlock(&wl->mutex);
+
+ return ret;
+}
+
/* can't be const, mac80211 writes to this */
static struct ieee80211_rate wl1271_rates[] = {
{ .bitrate = 10,
@@ -2305,6 +3239,7 @@ static struct ieee80211_channel wl1271_channels[] = {
{ .hw_value = 11, .center_freq = 2462, .max_power = 25 },
{ .hw_value = 12, .center_freq = 2467, .max_power = 25 },
{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
+ { .hw_value = 14, .center_freq = 2484, .max_power = 25 },
};
/* mapping to indexes for wl1271_rates */
@@ -2342,7 +3277,8 @@ static const u8 wl1271_rate_to_idx_2ghz[] = {
#ifdef CONFIG_WL12XX_HT
#define WL12XX_HT_CAP { \
- .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20, \
+ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \
+ (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \
.ht_supported = true, \
.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \
.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \
@@ -2493,6 +3429,12 @@ static const struct ieee80211_ops wl1271_ops = {
.conf_tx = wl1271_op_conf_tx,
.get_tsf = wl1271_op_get_tsf,
.get_survey = wl1271_op_get_survey,
+ .sta_add = wl1271_op_sta_add,
+ .sta_remove = wl1271_op_sta_remove,
+ .ampdu_action = wl1271_op_ampdu_action,
+#if 0
+ .tx_frames_pending = wl1271_tx_frames_pending,
+#endif
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
@@ -2543,8 +3485,7 @@ static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
unsigned long res;
int ret;
- ret = strict_strtoul(buf, 10, &res);
-
+ ret = kstrtoul(buf, 10, &res);
if (ret < 0) {
wl1271_warning("incorrect value written to bt_coex_mode");
return count;
@@ -2562,7 +3503,7 @@ static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
if (wl->state == WL1271_STATE_OFF)
goto out;
- ret = wl1271_ps_elp_wakeup(wl, false);
+ ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -2607,6 +3548,22 @@ int wl1271_register_hw(struct wl1271 *wl)
if (wl->mac80211_registered)
return 0;
+ ret = wl1271_fetch_nvs(wl);
+ if (ret == 0) {
+ /* NOTE: The wl->nvs->nvs element must be first, in
+ * order to simplify the casting, we assume it is at
+ * the beginning of the wl->nvs structure.
+ */
+ u8 *nvs_ptr = (u8 *)wl->nvs;
+
+ wl->mac_addr[0] = nvs_ptr[11];
+ wl->mac_addr[1] = nvs_ptr[10];
+ wl->mac_addr[2] = nvs_ptr[6];
+ wl->mac_addr[3] = nvs_ptr[5];
+ wl->mac_addr[4] = nvs_ptr[4];
+ wl->mac_addr[5] = nvs_ptr[3];
+ }
+
SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
ret = ieee80211_register_hw(wl->hw);
@@ -2629,6 +3586,9 @@ EXPORT_SYMBOL_GPL(wl1271_register_hw);
void wl1271_unregister_hw(struct wl1271 *wl)
{
+ if (wl->state == WL1271_STATE_PLT)
+ __wl1271_plt_stop(wl);
+
unregister_netdevice_notifier(&wl1271_dev_notifier);
ieee80211_unregister_hw(wl->hw);
wl->mac80211_registered = false;
@@ -2661,13 +3621,17 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR |
- IEEE80211_HW_SUPPORTS_CQM_RSSI;
+ IEEE80211_HW_SUPPORTS_CQM_RSSI
+#if 0
+ | IEEE80211_HW_AP_LINK_PS
+#endif
+ ;
wl->hw->wiphy->cipher_suites = cipher_suites;
wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
+ BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
wl->hw->wiphy->max_scan_ssids = 1;
/*
* Maximum length of elements in scanning probe request templates
@@ -2676,8 +3640,24 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
*/
wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
- wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
- wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
+
+ /* make sure all our channels fit in the scanned_ch bitmask */
+ BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) +
+ ARRAY_SIZE(wl1271_channels_5ghz) >
+ WL1271_MAX_CHANNELS);
+ /*
+ * We keep local copies of the band structs because we need to
+ * modify them on a per-device basis.
+ */
+ memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz,
+ sizeof(wl1271_band_2ghz));
+ memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz,
+ sizeof(wl1271_band_5ghz));
+
+ wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &wl->bands[IEEE80211_BAND_2GHZ];
+ wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &wl->bands[IEEE80211_BAND_5GHZ];
wl->hw->queues = 4;
wl->hw->max_rates = 1;
@@ -2686,6 +3666,10 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
+ wl->hw->sta_data_size = sizeof(struct wl1271_station);
+#if 0
+ wl->hw->max_rx_aggregation_subframes = 8;
+#endif
return 0;
}
EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
@@ -2697,7 +3681,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
struct ieee80211_hw *hw;
struct platform_device *plat_dev = NULL;
struct wl1271 *wl;
- int i, ret;
+ int i, j, ret;
unsigned int order;
hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
@@ -2725,9 +3709,16 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
for (i = 0; i < NUM_TX_QUEUES; i++)
skb_queue_head_init(&wl->tx_queue[i]);
+ for (i = 0; i < NUM_TX_QUEUES; i++)
+ for (j = 0; j < AP_MAX_LINKS; j++)
+ skb_queue_head_init(&wl->links[j].tx_queue[i]);
+
+ skb_queue_head_init(&wl->deferred_rx_queue);
+ skb_queue_head_init(&wl->deferred_tx_queue);
+
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
- INIT_WORK(&wl->irq_work, wl1271_irq_work);
+ INIT_WORK(&wl->netstack_work, wl1271_netstack_work);
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);
@@ -2735,19 +3726,26 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
wl->default_key = 0;
wl->rx_counter = 0;
- wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
- wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
+ wl->rx_config = WL1271_DEFAULT_STA_RX_CONFIG;
+ wl->rx_filter = WL1271_DEFAULT_STA_RX_FILTER;
wl->psm_entry_retry = 0;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
wl->basic_rate = 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->flags = 0;
wl->sg_enabled = true;
wl->hw_pg_ver = -1;
+ wl->bss_type = MAX_BSS_TYPE;
+ wl->set_bss_type = MAX_BSS_TYPE;
+ wl->fw_bss_type = MAX_BSS_TYPE;
+ wl->last_tx_hlid = 0;
+ wl->ap_ps_map = 0;
+ wl->ap_fw_ps_map = 0;
+ wl->quirks = 0;
+ wl->platform_quirks = 0;
memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map));
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
@@ -2768,11 +3766,17 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
goto err_hw;
}
+ wl->dummy_packet = wl12xx_alloc_dummy_packet(wl);
+ if (!wl->dummy_packet) {
+ ret = -ENOMEM;
+ goto err_aggr;
+ }
+
/* Register platform device */
ret = platform_device_register(wl->plat_dev);
if (ret) {
wl1271_error("couldn't register platform device");
- goto err_aggr;
+ goto err_dummy_packet;
}
dev_set_drvdata(&wl->plat_dev->dev, wl);
@@ -2798,6 +3802,9 @@ err_bt_coex_state:
err_platform:
platform_device_unregister(wl->plat_dev);
+err_dummy_packet:
+ dev_kfree_skb(wl->dummy_packet);
+
err_aggr:
free_pages((unsigned long)wl->aggr_buf, order);
@@ -2817,6 +3824,7 @@ EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
int wl1271_free_hw(struct wl1271 *wl)
{
platform_device_unregister(wl->plat_dev);
+ dev_kfree_skb(wl->dummy_packet);
free_pages((unsigned long)wl->aggr_buf,
get_order(WL1271_AGGR_BUFFER_SIZE));
kfree(wl->plat_dev);
@@ -2837,11 +3845,11 @@ int wl1271_free_hw(struct wl1271 *wl)
}
EXPORT_SYMBOL_GPL(wl1271_free_hw);
-u32 wl12xx_debug_level;
+u32 wl12xx_debug_level = DEBUG_NONE;
EXPORT_SYMBOL_GPL(wl12xx_debug_level);
-module_param_named(debug_level, wl12xx_debug_level, uint, DEBUG_NONE);
+module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR);
MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
+MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 05:23:40 +0000