#include <linux/vmalloc.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/wl12xx.h>
#include "wl12xx.h"
#include "wl12xx_80211.h"
static struct conf_drv_settings default_conf = {
.sg = {
- .params = {
+ .sta_params = {
[CONF_SG_BT_PER_THRESHOLD] = 7500,
[CONF_SG_HV3_MAX_OVERRIDE] = 0,
[CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
[CONF_SG_DHCP_TIME] = 5000,
[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
},
+ .ap_params = {
+ [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_AUTO_PS_MODE] = 1,
+ [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
+ [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
+ [CONF_SG_ANTENNA_CONFIGURATION] = 0,
+ [CONF_SG_BEACON_MISS_PERCENT] = 60,
+ [CONF_SG_RATE_ADAPT_THRESH] = 64,
+ [CONF_SG_RATE_ADAPT_SNR] = 1,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 25,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 25,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 25,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 25,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 25,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 25,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 25,
+ [CONF_SG_RXT] = 1200,
+ [CONF_SG_TXT] = 1000,
+ [CONF_SG_ADAPTIVE_RXT_TXT] = 1,
+ [CONF_SG_PS_POLL_TIMEOUT] = 10,
+ [CONF_SG_UPSD_TIMEOUT] = 10,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10,
+ [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
+ [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
+ [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75,
+ [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15,
+ [CONF_SG_HV3_MAX_SERVED] = 6,
+ [CONF_SG_DHCP_TIME] = 5000,
+ [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
+ [CONF_SG_TEMP_PARAM_1] = 0,
+ [CONF_SG_TEMP_PARAM_2] = 0,
+ [CONF_SG_TEMP_PARAM_3] = 0,
+ [CONF_SG_TEMP_PARAM_4] = 0,
+ [CONF_SG_TEMP_PARAM_5] = 0,
+ [CONF_SG_AP_BEACON_MISS_TX] = 3,
+ [CONF_SG_RX_WINDOW_LENGTH] = 6,
+ [CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 50,
+ [CONF_SG_TEMP_PARAM_6] = 1,
+ },
.state = CONF_SG_PROTECTIVE,
},
.rx = {
.packet_detection_threshold = 0,
.ps_poll_timeout = 15,
.upsd_timeout = 15,
- .rts_threshold = 2347,
+ .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD,
.rx_cca_threshold = 0,
.irq_blk_threshold = 0xFFFF,
.irq_pkt_threshold = 0,
.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,
- },
- .ap_max_tx_retries = 100,
+ .max_tx_retries = 100,
+ .ap_aging_period = 300,
.tid_conf_count = 4,
.tid_conf = {
[CONF_TX_AC_BE] = {
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 50,
.psm_entry_retries = 5,
- .psm_exit_retries = 255,
+ .psm_exit_retries = 16,
.psm_entry_nullfunc_retries = 3,
.psm_entry_hangover_period = 1,
.keep_alive_interval = 55000,
.ssid_profiles = 1,
.rx_block_num = 70,
.tx_min_block_num = 40,
- .dynamic_memory = 0,
+ .dynamic_memory = 1,
.min_req_tx_blocks = 100,
.min_req_rx_blocks = 22,
.tx_min = 27,
.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_op_remove_interface(struct wl1271 *wl,
+ bool reset_tx_queues);
static void wl1271_free_ap_keys(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)
struct wl1271_fw_common_status *status = &full_status->common;
struct timespec ts;
u32 old_tx_blk_count = wl->tx_blocks_available;
- u32 total = 0;
+ u32 freed_blocks = 0;
int i;
if (wl->bss_type == BSS_TYPE_AP_BSS) {
} else {
wl1271_raw_read(wl, FW_STATUS_ADDR, status,
sizeof(struct wl1271_fw_sta_status), false);
-
- /* Update tx total blocks change */
- wl->tx_total_diff +=
- ((struct wl1271_fw_sta_status *)status)->tx_total -
- wl->tx_new_total;
-
- /* Update total tx blocks */
- wl->tx_new_total =
- ((struct wl1271_fw_sta_status *)status)->tx_total;
}
wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
/* update number of available TX blocks */
for (i = 0; i < NUM_TX_QUEUES; i++) {
- total += 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]);
-
}
- /*
- * By adding the freed blocks to tx_total_diff we are actually
- * moving them to the RX pool.
- */
- wl->tx_total_diff += total;
+ wl->tx_allocated_blocks -= freed_blocks;
- /* if we have positive difference, add the blocks to the TX pool */
- if (wl->tx_total_diff >= 0) {
- wl->tx_blocks_available += wl->tx_total_diff;
- wl->tx_total_diff = 0;
+ 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 (wl->tx_blocks_available > old_tx_blk_count)
clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
- /* for AP update num of allocated TX blocks per link and ps status */
- if (wl->bss_type == BSS_TYPE_AP_BSS)
- wl1271_irq_update_links_status(wl, &full_status->ap);
-
/* update the host-chipset time offset */
getnstimeofday(&ts);
wl->time_offset = (timespec_to_ns(&ts) >> 10) -
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);
wl1271_debug(DEBUG_IRQ, "IRQ work");
if (wl->state != WL1271_STATE_ON)
goto out;
- wl1271_info("Hardware recovery in progress.");
+ wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x",
+ wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4));
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
ieee80211_connection_loss(wl->vif);
+ /* Prevent spurious TX during FW restart */
+ ieee80211_stop_queues(wl->hw);
+
/* reboot the chipset */
- __wl1271_op_remove_interface(wl);
+ __wl1271_op_remove_interface(wl, false);
ieee80211_restart_hw(wl->hw);
+ /*
+ * Its safe to enable TX now - the queues are stopped after a request
+ * to restart the HW.
+ */
+ ieee80211_wake_queues(wl->hw);
+
out:
mutex_unlock(&wl->mutex);
}
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;
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:
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
-#define TX_DUMMY_PACKET_SIZE 1400
int wl1271_tx_dummy_packet(struct wl1271 *wl)
{
- struct sk_buff *skb = NULL;
+ 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);
+
+ /*
+ * If the FW TX is busy, TX work will be scheduled by the threaded
+ * interrupt handler function
+ */
+ return 0;
+}
+
+/*
+ * 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;
- int ret = 0;
+ unsigned int dummy_packet_size;
- skb = dev_alloc_skb(
- sizeof(struct wl1271_tx_hw_descr) + sizeof(*hdr) +
- TX_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 buffer for dummy packet");
- ret = -ENOMEM;
- goto out;
+ wl1271_warning("Failed to allocate a dummy packet skb");
+ return NULL;
}
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_FCTL_TODS |
- IEEE80211_STYPE_NULLFUNC);
+ IEEE80211_STYPE_NULLFUNC |
+ IEEE80211_FCTL_TODS);
- memcpy(hdr->addr1, wl->bssid, ETH_ALEN);
- memcpy(hdr->addr2, wl->mac_addr, ETH_ALEN);
- memcpy(hdr->addr3, wl->bssid, ETH_ALEN);
+ memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size);
- skb_put(skb, TX_DUMMY_PACKET_SIZE);
-
- memset(skb->data, 0, TX_DUMMY_PACKET_SIZE);
-
- skb->pkt_type = TX_PKT_TYPE_DUMMY_REQ;
/* Dummy packets require the TID to be management */
skb->priority = WL1271_TID_MGMT;
- /* CONF_TX_AC_VO */
- skb->queue_mapping = 0;
- wl1271_op_tx(wl->hw, skb);
+ /* Initialize all fields that might be used */
+ skb_set_queue_mapping(skb, 0);
+ memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info));
-out:
- return ret;
+ return skb;
}
+
static struct notifier_block wl1271_dev_notifier = {
.notifier_call = wl1271_dev_notify,
};
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;
wl->vif = vif;
wl->state = WL1271_STATE_ON;
+ 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 */
return ret;
}
-static void __wl1271_op_remove_interface(struct wl1271 *wl)
+static void __wl1271_op_remove_interface(struct wl1271 *wl,
+ bool reset_tx_queues)
{
int i;
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);
mutex_unlock(&wl_list_mutex);
- WARN_ON(wl->state != WL1271_STATE_ON);
-
/* 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) {
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;
mutex_unlock(&wl->mutex);
mutex_lock(&wl->mutex);
/* let's notify MAC80211 about the remaining pending TX frames */
- wl1271_tx_reset(wl);
+ wl1271_tx_reset(wl, reset_tx_queues);
wl1271_power_off(wl);
memset(wl->bssid, 0, ETH_ALEN);
wl->psm_entry_retry = 0;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->tx_blocks_available = 0;
+ wl->tx_allocated_blocks = 0;
wl->tx_results_count = 0;
wl->tx_packets_count = 0;
wl->tx_security_last_seq = 0;
wl->time_offset = 0;
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
- 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;
- wl->block_size = 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;
*/
if (wl->vif) {
WARN_ON(wl->vif != vif);
- __wl1271_op_remove_interface(wl);
+ __wl1271_op_remove_interface(wl, true);
}
mutex_unlock(&wl->mutex);
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)
{
wl1271_set_default_filters(wl);
* 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.");
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:
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;
}
if (ret < 0)
goto out;
- ret = wl1271_acx_frag_threshold(wl, (u16)value);
+ ret = wl1271_acx_frag_threshold(wl, value);
if (ret < 0)
wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret);
if (ret < 0)
goto out;
- ret = wl1271_acx_rts_threshold(wl, (u16) value);
+ ret = wl1271_acx_rts_threshold(wl, value);
if (ret < 0)
wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret);
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);
+
+ ret = wl1271_init_ap_rates(wl);
if (ret < 0) {
- wl1271_error("AP mgmt policy change failed %d", ret);
+ wl1271_error("AP rate policy change failed %d", ret);
goto out;
}
+
+ ret = wl1271_ap_init_templates(wl);
+ if (ret < 0)
+ goto out;
}
ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed);
}
}
+ if (changed & BSS_CHANGED_IBSS) {
+ wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d",
+ bss_conf->ibss_joined);
+
+ if (bss_conf->ibss_joined) {
+ u32 rates = bss_conf->basic_rates;
+ wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
+ rates);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+
+ /* by default, use 11b rates */
+ wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES;
+ ret = wl1271_acx_sta_rate_policies(wl);
+ if (ret < 0)
+ goto out;
+ }
+ }
+
ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed);
if (ret < 0)
goto out;
}
} 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 */
goto out;
/* restore the bssid filter and go to dummy bssid */
- wl1271_unjoin(wl);
- wl1271_dummy_join(wl);
+ if (was_assoc) {
+ wl1271_unjoin(wl);
+ wl1271_dummy_join(wl);
+ }
}
}
conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY;
conf_tid->apsd_conf[0] = 0;
conf_tid->apsd_conf[1] = 0;
- } else {
- ret = wl1271_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out;
+ goto out;
+ }
- /*
- * 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;
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
- 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;
+ /*
+ * 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;
+
+ 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);
out_sleep:
- wl1271_ps_elp_sleep(wl);
- }
+ wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
__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)
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,
.sta_add = wl1271_op_sta_add,
.sta_remove = wl1271_op_sta_remove,
.ampdu_action = wl1271_op_ampdu_action,
+ .tx_frames_pending = wl1271_tx_frames_pending,
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
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;
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR |
IEEE80211_HW_SUPPORTS_CQM_RSSI |
- IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_AP_LINK_PS;
wl->hw->wiphy->cipher_suites = cipher_suites;
wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
+ /* 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.
wl->ap_ps_map = 0;
wl->ap_fw_ps_map = 0;
wl->quirks = 0;
- wl->block_size = 0;
+ wl->platform_quirks = 0;
memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map));
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
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);
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);
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);