static int wl1271_op_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf)
{
struct wl1271 *wl = hw->priv;
struct sk_buff *beacon;
int ret;
wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM",
conf->bssid);
wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid,
conf->ssid_len);
mutex_lock(&wl->mutex);
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
memcpy(wl->bssid, conf->bssid, ETH_ALEN);
ret = wl1271_cmd_build_null_data(wl);
if (ret < 0)
goto out_sleep;
wl->ssid_len = conf->ssid_len;
if (wl->ssid_len)
memcpy(wl->ssid, conf->ssid, wl->ssid_len);
if (wl->bss_type != BSS_TYPE_IBSS) {
/* FIXME: replace the magic numbers with proper definitions */
ret = wl1271_cmd_join(wl, wl->bss_type, 5, 100, 1);
if (ret < 0)
goto out_sleep;
}
if (conf->changed & IEEE80211_IFCC_BEACON) {
beacon = ieee80211_beacon_get(hw, vif);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
beacon->data, beacon->len);
if (ret < 0) {
dev_kfree_skb(beacon);
goto out_sleep;
}
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE,
beacon->data, beacon->len);
dev_kfree_skb(beacon);
if (ret < 0)
goto out_sleep;
/* FIXME: replace the magic numbers with proper definitions */
ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
if (ret < 0)
goto out_sleep;
}
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
size_t fw_data_len, u32 dest)
{
int addr, chunk_num, partition_limit;
u8 *p;
/* whal_FwCtrl_LoadFwImageSm() */
wl1271_debug(DEBUG_BOOT, "starting firmware upload");
wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d",
fw_data_len, CHUNK_SIZE);
if ((fw_data_len % 4) != 0) {
wl1271_error("firmware length not multiple of four");
return -EIO;
}
wl1271_set_partition(wl, dest,
part_table[PART_DOWN].mem.size,
part_table[PART_DOWN].reg.start,
part_table[PART_DOWN].reg.size);
/* 10.1 set partition limit and chunk num */
chunk_num = 0;
partition_limit = part_table[PART_DOWN].mem.size;
while (chunk_num < fw_data_len / CHUNK_SIZE) {
/* 10.2 update partition, if needed */
addr = dest + (chunk_num + 2) * CHUNK_SIZE;
if (addr > partition_limit) {
addr = dest + chunk_num * CHUNK_SIZE;
partition_limit = chunk_num * CHUNK_SIZE +
part_table[PART_DOWN].mem.size;
/* FIXME: Over 80 chars! */
wl1271_set_partition(wl,
addr,
part_table[PART_DOWN].mem.size,
part_table[PART_DOWN].reg.start,
part_table[PART_DOWN].reg.size);
}
/* 10.3 upload the chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
p, addr);
wl1271_spi_mem_write(wl, addr, p, CHUNK_SIZE);
chunk_num++;
}
/* 10.4 upload the last chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x",
fw_data_len % CHUNK_SIZE, p, addr);
wl1271_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
return 0;
}
int wl12xx_cmd_role_start_ap(struct wl1271 *wl)
{
struct wl12xx_cmd_role_start *cmd;
struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
int ret;
wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wl->role_id);
/* trying to use hidden SSID with an old hostapd version */
if (wl->ssid_len == 0 && !bss_conf->hidden_ssid) {
wl1271_error("got a null SSID from beacon/bss");
ret = -EINVAL;
goto out;
}
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
ret = wl12xx_allocate_link(wl, &wl->ap_global_hlid);
if (ret < 0)
goto out_free;
ret = wl12xx_allocate_link(wl, &wl->ap_bcast_hlid);
if (ret < 0)
goto out_free_global;
cmd->role_id = wl->role_id;
cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
cmd->ap.bss_index = WL1271_AP_BSS_INDEX;
cmd->ap.global_hlid = wl->ap_global_hlid;
cmd->ap.broadcast_hlid = wl->ap_bcast_hlid;
cmd->ap.basic_rate_set = cpu_to_le32(wl->basic_rate_set);
cmd->ap.beacon_interval = cpu_to_le16(wl->beacon_int);
cmd->ap.dtim_interval = bss_conf->dtim_period;
cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
cmd->channel = wl->channel;
if (!bss_conf->hidden_ssid) {
/* take the SSID from the beacon for backward compatibility */
cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC;
cmd->ap.ssid_len = wl->ssid_len;
memcpy(cmd->ap.ssid, wl->ssid, wl->ssid_len);
} else {
cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN;
cmd->ap.ssid_len = bss_conf->ssid_len;
memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len);
}
cmd->ap.local_rates = cpu_to_le32(0xffffffff);
switch (wl->band) {
case IEEE80211_BAND_2GHZ:
cmd->band = RADIO_BAND_2_4GHZ;
break;
case IEEE80211_BAND_5GHZ:
cmd->band = RADIO_BAND_5GHZ;
break;
default:
wl1271_warning("ap start - unknown band: %d", (int)wl->band);
cmd->band = RADIO_BAND_2_4GHZ;
break;
}
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd role start ap");
goto out_free_bcast;
}
goto out_free;
out_free_bcast:
wl12xx_free_link(wl, &wl->ap_bcast_hlid);
out_free_global:
wl12xx_free_link(wl, &wl->ap_global_hlid);
out_free:
kfree(cmd);
out:
return ret;
}
static int __devinit wl1271_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
struct ieee80211_hw *hw;
const struct wl12xx_platform_data *wlan_data;
struct wl1271 *wl;
unsigned long irqflags;
mmc_pm_flag_t mmcflags;
int ret;
/* We are only able to handle the wlan function */
if (func->num != 0x02)
return -ENODEV;
hw = wl1271_alloc_hw();
if (IS_ERR(hw))
return PTR_ERR(hw);
wl = hw->priv;
wl->if_priv = func;
wl->if_ops = &sdio_ops;
/* Grab access to FN0 for ELP reg. */
func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
/* Use block mode for transferring over one block size of data */
func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
wlan_data = wl12xx_get_platform_data();
if (IS_ERR(wlan_data)) {
ret = PTR_ERR(wlan_data);
wl1271_error("missing wlan platform data: %d", ret);
goto out_free;
}
wl->irq = wlan_data->irq;
wl->ref_clock = wlan_data->board_ref_clock;
wl->tcxo_clock = wlan_data->board_tcxo_clock;
wl->platform_quirks = wlan_data->platform_quirks;
if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
irqflags = IRQF_TRIGGER_RISING;
else
irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;
ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
irqflags,
DRIVER_NAME, wl);
if (ret < 0) {
wl1271_error("request_irq() failed: %d", ret);
goto out_free;
}
printk (KERN_ERR "%s: grabbed irq %d\n", __func__, wl->irq);
ret = enable_irq_wake(wl->irq);
if (!ret) {
wl->irq_wake_enabled = true;
device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);
/* if sdio can keep power while host is suspended, enable wow */
mmcflags = sdio_get_host_pm_caps(func);
wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);
if (mmcflags & MMC_PM_KEEP_POWER)
hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
}
disable_irq(wl->irq);
ret = wl1271_init_ieee80211(wl);
if (ret)
goto out_irq;
ret = wl1271_register_hw(wl);
if (ret)
goto out_irq;
sdio_set_drvdata(func, wl);
/* Tell PM core that we don't need the card to be powered now */
pm_runtime_put_noidle(&func->dev);
return 0;
out_irq:
free_irq(wl->irq, wl);
out_free:
wl1271_free_hw(wl);
return ret;
}
static int wl1271_boot_run_firmware(struct wl1271 *wl)
{
int loop, ret;
u32 chip_id, interrupt;
wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
chip_id = wl1271_reg_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
if (chip_id != wl->chip.id) {
wl1271_error("chip id doesn't match after firmware boot");
return -EIO;
}
/* wait for init to complete */
loop = 0;
while (loop++ < INIT_LOOP) {
udelay(INIT_LOOP_DELAY);
interrupt = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
if (interrupt == 0xffffffff) {
wl1271_error("error reading hardware complete "
"init indication");
return -EIO;
}
/* check that ACX_INTR_INIT_COMPLETE is enabled */
else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) {
wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
WL1271_ACX_INTR_INIT_COMPLETE);
break;
}
}
if (loop >= INIT_LOOP) {
wl1271_error("timeout waiting for the hardware to "
"complete initialization");
return -EIO;
}
/* get hardware config command mail box */
wl->cmd_box_addr = wl1271_reg_read32(wl, REG_COMMAND_MAILBOX_PTR);
/* get hardware config event mail box */
wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
/* set the working partition to its "running" mode offset */
wl1271_set_partition(wl,
part_table[PART_WORK].mem.start,
part_table[PART_WORK].mem.size,
part_table[PART_WORK].reg.start,
part_table[PART_WORK].reg.size);
wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x",
wl->cmd_box_addr, wl->event_box_addr);
wl1271_boot_fw_version(wl);
/*
* in case of full asynchronous mode the firmware event must be
* ready to receive event from the command mailbox
*/
/* enable gpio interrupts */
wl1271_boot_enable_interrupts(wl);
/* unmask all mbox events */
wl->event_mask = 0xffffffff;
ret = wl1271_event_unmask(wl);
if (ret < 0) {
wl1271_error("EVENT mask setting failed");
return ret;
}
wl1271_event_mbox_config(wl);
/* firmware startup completed */
return 0;
}
static int wl12xx_identify_chip(struct wl1271 *wl)
{
int ret = 0;
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
/* clear the alignment quirk, since we don't support it */
wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN;
wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
WLCORE_QUIRK_TKIP_HEADER_SPACE;
wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
wl->mr_fw_name = WL127X_FW_NAME_MULTI;
memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x,
sizeof(wl->conf.mem));
/* read data preparation is only needed by wl127x */
wl->ops->prepare_read = wl127x_prepare_read;
break;
case CHIP_ID_1271_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
/* clear the alignment quirk, since we don't support it */
wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN;
wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
WLCORE_QUIRK_TKIP_HEADER_SPACE;
wl->plt_fw_name = WL127X_PLT_FW_NAME;
wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
wl->mr_fw_name = WL127X_FW_NAME_MULTI;
memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x,
sizeof(wl->conf.mem));
/* read data preparation is only needed by wl127x */
wl->ops->prepare_read = wl127x_prepare_read;
break;
case CHIP_ID_1283_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
wl->chip.id);
wl->quirks |= WLCORE_QUIRK_TKIP_HEADER_SPACE;
wl->plt_fw_name = WL128X_PLT_FW_NAME;
wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
wl->mr_fw_name = WL128X_FW_NAME_MULTI;
break;
case CHIP_ID_1283_PG10:
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
out:
return ret;
}
static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
{
wl1271_debug(DEBUG_EVENT, "MBOX DUMP:");
wl1271_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector);
wl1271_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask);
}
void wl1271_scan_sched_scan_results(struct wl1271 *wl)
{
wl1271_debug(DEBUG_SCAN, "got periodic scan results");
ieee80211_sched_scan_results(wl->hw);
}
static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
{
int ret;
struct wl1271_command *cmd;
struct sk_buff *skb;
u8 ie_id;
wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
if (!tb[WL1271_TM_ATTR_IE_ID])
return -EINVAL;
ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
mutex_lock(&wl->mutex);
if (wl->state == WL1271_STATE_OFF) {
ret = -EINVAL;
goto out;
}
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out_sleep;
}
ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
if (ret < 0) {
wl1271_warning("testmode cmd interrogate failed: %d", ret);
goto out_free;
}
skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
if (!skb) {
ret = -ENOMEM;
goto out_free;
}
if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
kfree_skb(skb);
ret = -EMSGSIZE;
goto out_free;
}
ret = cfg80211_testmode_reply(skb);
if (ret < 0)
goto out_free;
out_free:
kfree(cmd);
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static int wl1271_get_scan_channels(struct wl1271 *wl,
struct cfg80211_scan_request *req,
struct basic_scan_channel_params *channels,
enum ieee80211_band band, bool passive)
{
struct conf_scan_settings *c = &wl->conf.scan;
int i, j;
u32 flags;
for (i = 0, j = 0;
i < req->n_channels && j < WL1271_SCAN_MAX_CHANNELS;
i++) {
flags = req->channels[i]->flags;
if (!test_bit(i, wl->scan.scanned_ch) &&
!(flags & IEEE80211_CHAN_DISABLED) &&
(req->channels[i]->band == band) &&
/*
* In passive scans, we scan all remaining
* channels, even if not marked as such.
* In active scans, we only scan channels not
* marked as passive.
*/
(passive || !(flags & IEEE80211_CHAN_PASSIVE_SCAN))) {
wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ",
req->channels[i]->band,
req->channels[i]->center_freq);
wl1271_debug(DEBUG_SCAN, "hw_value %d, flags %X",
req->channels[i]->hw_value,
req->channels[i]->flags);
wl1271_debug(DEBUG_SCAN,
"max_antenna_gain %d, max_power %d",
req->channels[i]->max_antenna_gain,
req->channels[i]->max_power);
wl1271_debug(DEBUG_SCAN, "beacon_found %d",
req->channels[i]->beacon_found);
if (!passive) {
channels[j].min_duration =
cpu_to_le32(c->min_dwell_time_active);
channels[j].max_duration =
cpu_to_le32(c->max_dwell_time_active);
} else {
channels[j].min_duration =
cpu_to_le32(c->min_dwell_time_passive);
channels[j].max_duration =
cpu_to_le32(c->max_dwell_time_passive);
}
channels[j].early_termination = 0;
channels[j].tx_power_att = req->channels[i]->max_power;
channels[j].channel = req->channels[i]->hw_value;
memset(&channels[j].bssid_lsb, 0xff, 4);
memset(&channels[j].bssid_msb, 0xff, 2);
/* Mark the channels we already used */
set_bit(i, wl->scan.scanned_ch);
j++;
}
}
return j;
}
int wl1271_scan_sched_scan_config(struct wl1271 *wl,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies)
{
struct wl1271_cmd_sched_scan_config *cfg = NULL;
struct conf_sched_scan_settings *c = &wl->conf.sched_scan;
int i, total_channels, ret;
wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config");
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
if (!cfg)
return -ENOMEM;
cfg->rssi_threshold = c->rssi_threshold;
cfg->snr_threshold = c->snr_threshold;
cfg->n_probe_reqs = c->num_probe_reqs;
/* cycles set to 0 it means infinite (until manually stopped) */
cfg->cycles = 0;
/* report APs when at least 1 is found */
cfg->report_after = 1;
/* don't stop scanning automatically when something is found */
cfg->terminate = 0;
cfg->tag = WL1271_SCAN_DEFAULT_TAG;
/* don't filter on BSS type */
cfg->bss_type = SCAN_BSS_TYPE_ANY;
/* currently NL80211 supports only a single interval */
for (i = 0; i < SCAN_MAX_CYCLE_INTERVALS; i++)
cfg->intervals[i] = cpu_to_le32(req->interval);
if (req->ssids[0].ssid_len && req->ssids[0].ssid) {
cfg->filter_type = SCAN_SSID_FILTER_SPECIFIC;
cfg->ssid_len = req->ssids[0].ssid_len;
memcpy(cfg->ssid, req->ssids[0].ssid,
req->ssids[0].ssid_len);
} else {
cfg->filter_type = SCAN_SSID_FILTER_ANY;
cfg->ssid_len = 0;
}
total_channels = wl1271_scan_sched_scan_channels(wl, req, cfg);
if (total_channels == 0) {
wl1271_error("scan channel list is empty");
ret = -EINVAL;
goto out;
}
if (cfg->active[0]) {
ret = wl1271_cmd_build_probe_req(wl, req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[IEEE80211_BAND_2GHZ],
ies->len[IEEE80211_BAND_2GHZ],
IEEE80211_BAND_2GHZ);
if (ret < 0) {
wl1271_error("2.4GHz PROBE request template failed");
goto out;
}
}
if (cfg->active[1]) {
ret = wl1271_cmd_build_probe_req(wl, req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[IEEE80211_BAND_5GHZ],
ies->len[IEEE80211_BAND_5GHZ],
IEEE80211_BAND_5GHZ);
if (ret < 0) {
wl1271_error("5GHz PROBE request template failed");
goto out;
}
}
wl1271_dump(DEBUG_SCAN, "SCAN_CFG: ", cfg, sizeof(*cfg));
ret = wl1271_cmd_send(wl, CMD_CONNECTION_SCAN_CFG, cfg,
sizeof(*cfg), 0);
if (ret < 0) {
wl1271_error("SCAN configuration failed");
goto out;
}
out:
kfree(cfg);
return ret;
}
static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changed)
{
enum wl1271_cmd_ps_mode mode;
struct wl1271 *wl = hw->priv;
int ret;
wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
mutex_lock(&wl->mutex);
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
wl->aid = bss_conf->aid;
ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
if (ret < 0)
goto out_sleep;
ret = wl1271_acx_aid(wl, wl->aid);
if (ret < 0)
goto out_sleep;
/* If we want to go in PSM but we're not there yet */
if (wl->psm_requested && !wl->psm) {
mode = STATION_POWER_SAVE_MODE;
ret = wl1271_ps_set_mode(wl, mode);
if (ret < 0)
goto out_sleep;
}
}
}
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;
}
}
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
}
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;
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, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
key_conf->alg, 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);
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out_unlock;
switch (key_conf->alg) {
case ALG_WEP:
key_type = KEY_WEP;
key_conf->hw_key_idx = key_conf->keyidx;
break;
case ALG_TKIP:
key_type = KEY_TKIP;
key_conf->hw_key_idx = key_conf->keyidx;
break;
case ALG_CCMP:
key_type = KEY_AES;
key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->alg);
ret = -EOPNOTSUPP;
goto out_sleep;
}
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);
if (ret < 0) {
wl1271_error("Could not add or replace key");
goto out_sleep;
}
break;
case DISABLE_KEY:
ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
key_conf->keyidx, key_type,
key_conf->keylen, key_conf->key,
addr);
if (ret < 0) {
wl1271_error("Could not remove key");
goto out_sleep;
}
break;
default:
wl1271_error("Unsupported key cmd 0x%x", cmd);
ret = -EOPNOTSUPP;
goto out_sleep;
break;
}
out_sleep:
wl1271_ps_elp_sleep(wl);
out_unlock:
mutex_unlock(&wl->mutex);
out:
return ret;
}
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;
channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d",
channel,
conf->flags & IEEE80211_CONF_PS ? "on" : "off",
conf->power_level);
mutex_lock(&wl->mutex);
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
if (channel != wl->channel) {
u8 old_channel = wl->channel;
wl->channel = channel;
/* FIXME: use beacon interval provided by mac80211 */
ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
if (ret < 0) {
wl->channel = old_channel;
goto out_sleep;
}
}
ret = wl1271_cmd_build_null_data(wl);
if (ret < 0)
goto out_sleep;
if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
wl1271_info("psm enabled");
wl->psm_requested = true;
/*
* We enter PSM only if we're already associated.
* If we're not, we'll enter it when joining an SSID,
* through the bss_info_changed() hook.
*/
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
} else if (!(conf->flags & IEEE80211_CONF_PS) &&
wl->psm_requested) {
wl1271_info("psm disabled");
wl->psm_requested = false;
if (wl->psm)
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
}
if (conf->power_level != wl->power_level) {
ret = wl1271_acx_tx_power(wl, conf->power_level);
if (ret < 0)
goto out;
wl->power_level = conf->power_level;
}
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct wl12xx_cmd_role_start *cmd;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
int ret;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id);
cmd->role_id = wlvif->role_id;
if (wlvif->band == IEEE80211_BAND_5GHZ)
cmd->band = WL12XX_BAND_5GHZ;
cmd->channel = wlvif->channel;
cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set);
cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int);
cmd->ibss.dtim_interval = bss_conf->dtim_period;
cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY;
cmd->ibss.ssid_len = wlvif->ssid_len;
memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len);
memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN);
cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set);
if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) {
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid);
if (ret)
goto out_free;
}
cmd->ibss.hlid = wlvif->sta.hlid;
cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set);
wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d "
"basic_rate_set: 0x%x, remote_rates: 0x%x",
wlvif->role_id, cmd->sta.hlid, cmd->sta.session,
wlvif->basic_rate_set, wlvif->rate_set);
wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM",
vif->bss_conf.bssid);
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd role enable");
goto err_hlid;
}
goto out_free;
err_hlid:
/* clear links on error. */
wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid);
out_free:
kfree(cmd);
out:
return ret;
}
static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
{
int buf_len, ret, len;
struct sk_buff *skb;
void *buf;
u8 answer = 0;
wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
if (!tb[WL1271_TM_ATTR_DATA])
return -EINVAL;
buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
if (tb[WL1271_TM_ATTR_ANSWER])
answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
if (buf_len > sizeof(struct wl1271_command))
return -EMSGSIZE;
mutex_lock(&wl->mutex);
if (wl->state == WL1271_STATE_OFF) {
ret = -EINVAL;
goto out;
}
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
ret = wl1271_cmd_test(wl, buf, buf_len, answer);
if (ret < 0) {
wl1271_warning("testmode cmd test failed: %d", ret);
goto out_sleep;
}
if (answer) {
/* If we got bip calibration answer print radio status */
struct wl1271_cmd_cal_p2g *params =
(struct wl1271_cmd_cal_p2g *) buf;
s16 radio_status = (s16) le16_to_cpu(params->radio_status);
if (params->test.id == TEST_CMD_P2G_CAL &&
radio_status < 0)
wl1271_warning("testmode cmd: radio status=%d",
radio_status);
else
wl1271_info("testmode cmd: radio status=%d",
radio_status);
len = nla_total_size(buf_len);
skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
if (!skb) {
ret = -ENOMEM;
goto out_sleep;
}
if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
kfree_skb(skb);
ret = -EMSGSIZE;
goto out_sleep;
}
ret = cfg80211_testmode_reply(skb);
if (ret < 0)
goto out_sleep;
}
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
int ret;
u32 vector;
bool beacon_loss = false;
bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
bool disconnect_sta = false;
unsigned long sta_bitmap = 0;
wl1271_event_mbox_dump(mbox);
vector = le32_to_cpu(mbox->events_vector);
vector &= ~(le32_to_cpu(mbox->events_mask));
wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);
if (vector & SCAN_COMPLETE_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
wl1271_scan_stm(wl);
}
if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_REPORT_EVENT "
"(status 0x%0x)", mbox->scheduled_scan_status);
wl1271_scan_sched_scan_results(wl);
}
if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT "
"(status 0x%0x)", mbox->scheduled_scan_status);
if (wl->sched_scanning) {
ieee80211_sched_scan_stopped(wl->hw);
wl->sched_scanning = false;
}
}
if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
wl->bss_type == BSS_TYPE_STA_BSS)
wl12xx_event_soft_gemini_sense(wl,
mbox->soft_gemini_sense_info);
if (vector & CHANGE_AUTO_MODE_TIMEOUT_EVENT_ID &&
wl->bss_type == BSS_TYPE_STA_BSS) {
int timeout = 0;
if (mbox->change_auto_mode_timeout)
timeout = 500;
ieee80211_set_dyn_ps_timeout(wl->vif, timeout);
}
/*
* The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
* filtering) is enabled. Without PSM, the stack will receive all
* beacons and can detect beacon loss by itself.
*
* As there's possibility that the driver disables PSM before receiving
* BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
*
*/
if ((vector & BSS_LOSE_EVENT_ID) && !is_ap) {
wl1271_info("Beacon loss detected.");
/* indicate to the stack, that beacons have been lost */
beacon_loss = true;
}
if ((vector & PS_REPORT_EVENT_ID) && !is_ap) {
wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
if (ret < 0)
return ret;
}
if ((vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) && !is_ap)
wl1271_event_pspoll_delivery_fail(wl);
if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
if (wl->vif)
wl1271_event_rssi_trigger(wl, mbox);
}
if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)) {
wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. "
"ba_allowed = 0x%x", mbox->rx_ba_allowed);
wl->ba_allowed = !!mbox->rx_ba_allowed;
if (wl->vif && !wl->ba_allowed)
wl1271_stop_ba_event(wl);
}
if ((vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) && !is_ap) {
wl1271_debug(DEBUG_EVENT, "CHANNEL_SWITCH_COMPLETE_EVENT_ID. "
"channel_switch_status = 0x%x",
mbox->channel_switch_status);
/*
* That event uses for two cases:
* 1) channel switch complete with channel_switch_status=0
* 2) fixing beacon actual TSF with channel_switch_status=1
* calling chswitch_done only for the first option
*/
if (!mbox->channel_switch_status &&
test_and_clear_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags) &&
(wl->vif))
ieee80211_chswitch_done(wl->vif, true);
}
if ((vector & DUMMY_PACKET_EVENT_ID)) {
wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
if (wl->vif)
wl1271_tx_dummy_packet(wl);
}
if (vector & DISCONNECT_EVENT_COMPLETE_ID)
wl1271_debug(DEBUG_EVENT, "disconnect event");
/*
* "TX retries exceeded" has a different meaning according to mode.
* In AP mode the offending station is disconnected.
*/
if ((vector & MAX_TX_RETRY_EVENT_ID) && is_ap) {
wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
disconnect_sta = true;
}
if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
disconnect_sta = true;
}
if (is_ap && disconnect_sta) {
u32 num_packets = wl->conf.tx.max_tx_retries;
struct ieee80211_sta *sta;
const u8 *addr;
int h;
for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
h < AP_MAX_LINKS;
h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
if (!wl1271_is_active_sta(wl, h))
continue;
addr = wl->links[h].addr;
rcu_read_lock();
sta = ieee80211_find_sta(wl->vif, addr);
if (sta) {
wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
ieee80211_report_low_ack(sta, num_packets);
}
rcu_read_unlock();
}
}
if (wl->vif && beacon_loss)
ieee80211_connection_loss(wl->vif);
return 0;
}
static int wl1271_boot_upload_nvs(struct wl1271 *wl)
{
size_t nvs_len, burst_len;
int i;
u32 dest_addr, val;
u8 *nvs_ptr, *nvs_aligned;
if (wl->nvs == NULL)
return -ENODEV;
/* only the first part of the NVS needs to be uploaded */
nvs_len = sizeof(wl->nvs->nvs);
nvs_ptr = (u8 *)wl->nvs->nvs;
/*
* Layout before the actual NVS tables:
* 1 byte : burst length.
* 2 bytes: destination address.
* n bytes: data to burst copy.
*
* This is ended by a 0 length, then the NVS tables.
*/
/* FIXME: Do we need to check here whether the LSB is 1? */
while (nvs_ptr[0]) {
burst_len = nvs_ptr[0];
dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
/* FIXME: Due to our new wl1271_translate_reg_addr function,
we need to add the REGISTER_BASE to the destination */
dest_addr += REGISTERS_BASE;
/* We move our pointer to the data */
nvs_ptr += 3;
for (i = 0; i < burst_len; i++) {
val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
| (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
wl1271_debug(DEBUG_BOOT,
"nvs burst write 0x%x: 0x%x",
dest_addr, val);
wl1271_write32(wl, dest_addr, val);
nvs_ptr += 4;
dest_addr += 4;
}
}
/*
* We've reached the first zero length, the first NVS table
* is 7 bytes further.
*/
nvs_ptr += 7;
nvs_len -= nvs_ptr - (u8 *)wl->nvs->nvs;
nvs_len = ALIGN(nvs_len, 4);
/* FIXME: The driver sets the partition here, but this is not needed,
since it sets to the same one as currently in use */
/* Now we must set the partition correctly */
wl1271_set_partition(wl, &part_table[PART_WORK]);
/* Copy the NVS tables to a new block to ensure alignment */
/* FIXME: We jump 3 more bytes before uploading the NVS. It seems
that our NVS files have three extra zeros here. I'm not sure whether
the problem is in our NVS generation or we should really jumpt these
3 bytes here */
nvs_ptr += 3;
nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL); if
(!nvs_aligned) return -ENOMEM;
/* And finally we upload the NVS tables */
/* FIXME: In wl1271, we upload everything at once.
No endianness handling needed here?! The ref driver doesn't do
anything about it at this point */
wl1271_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false);
kfree(nvs_aligned);
return 0;
}
static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte)
{
struct ieee80211_tx_info *info;
struct sk_buff *skb;
int id = tx_stat_byte & WL18XX_TX_STATUS_DESC_ID_MASK;
bool tx_success;
/* check for id legality */
if (unlikely(id >= wl->num_tx_desc || wl->tx_frames[id] == NULL)) {
wl1271_warning("illegal id in tx completion: %d", id);
return;
}
/* a zero bit indicates Tx success */
tx_success = !(tx_stat_byte & BIT(WL18XX_TX_STATUS_STAT_BIT_IDX));
skb = wl->tx_frames[id];
info = IEEE80211_SKB_CB(skb);
if (wl12xx_is_dummy_packet(wl, skb)) {
wl1271_free_tx_id(wl, id);
return;
}
/* update the TX status info */
if (tx_success && !(info->flags & IEEE80211_TX_CTL_NO_ACK))
info->flags |= IEEE80211_TX_STAT_ACK;
/*
* first pass info->control.vif while it's valid, and then fill out
* the info->status structures
*/
wl18xx_get_last_tx_rate(wl, info->control.vif, &info->status.rates[0]);
info->status.rates[0].count = 1; /* no data about retries */
info->status.ack_signal = -1;
if (!tx_success)
wl->stats.retry_count++;
/*
* TODO: update sequence number for encryption? seems to be
* unsupported for now. needed for recovery with encryption.
*/
/* remove private header from packet */
skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));
/* remove TKIP header space if present */
if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) &&
info->control.hw_key &&
info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) {
int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, hdrlen);
skb_pull(skb, WL1271_EXTRA_SPACE_TKIP);
}
wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p success %d",
id, skb, tx_success);
/* return the packet to the stack */
skb_queue_tail(&wl->deferred_tx_queue, skb);
queue_work(wl->freezable_wq, &wl->netstack_work);
wl1271_free_tx_id(wl, id);
}
static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
size_t fw_data_len, u32 dest)
{
struct wlcore_partition_set partition;
int addr, chunk_num, partition_limit;
u8 *p, *chunk;
int ret;
/* whal_FwCtrl_LoadFwImageSm() */
wl1271_debug(DEBUG_BOOT, "starting firmware upload");
wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d",
fw_data_len, CHUNK_SIZE);
if ((fw_data_len % 4) != 0) {
wl1271_error("firmware length not multiple of four");
return -EIO;
}
chunk = kmalloc(CHUNK_SIZE, GFP_KERNEL);
if (!chunk) {
wl1271_error("allocation for firmware upload chunk failed");
return -ENOMEM;
}
memcpy(&partition, &wl->ptable[PART_DOWN], sizeof(partition));
partition.mem.start = dest;
ret = wlcore_set_partition(wl, &partition);
if (ret < 0)
goto out;
/* 10.1 set partition limit and chunk num */
chunk_num = 0;
partition_limit = wl->ptable[PART_DOWN].mem.size;
while (chunk_num < fw_data_len / CHUNK_SIZE) {
/* 10.2 update partition, if needed */
addr = dest + (chunk_num + 2) * CHUNK_SIZE;
if (addr > partition_limit) {
addr = dest + chunk_num * CHUNK_SIZE;
partition_limit = chunk_num * CHUNK_SIZE +
wl->ptable[PART_DOWN].mem.size;
partition.mem.start = addr;
ret = wlcore_set_partition(wl, &partition);
if (ret < 0)
goto out;
}
/* 10.3 upload the chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
memcpy(chunk, p, CHUNK_SIZE);
wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
p, addr);
ret = wlcore_write(wl, addr, chunk, CHUNK_SIZE, false);
if (ret < 0)
goto out;
chunk_num++;
}
/* 10.4 upload the last chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
memcpy(chunk, p, fw_data_len % CHUNK_SIZE);
wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x",
fw_data_len % CHUNK_SIZE, p, addr);
ret = wlcore_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false);
out:
kfree(chunk);
return ret;
}
static int wl1271_event_ps_report(struct wl1271 *wl,
struct event_mailbox *mbox,
bool *beacon_loss)
{
int ret = 0;
wl1271_debug(DEBUG_EVENT, "ps_status: 0x%x", mbox->ps_status);
switch (mbox->ps_status) {
case EVENT_ENTER_POWER_SAVE_FAIL:
wl1271_debug(DEBUG_PSM, "PSM entry failed");
if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
/* remain in active mode */
wl->psm_entry_retry = 0;
break;
}
if (wl->psm_entry_retry < wl->conf.conn.psm_entry_retries) {
wl->psm_entry_retry++;
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
true);
} else {
wl1271_info("No ack to nullfunc from AP.");
wl->psm_entry_retry = 0;
*beacon_loss = true;
}
break;
case EVENT_ENTER_POWER_SAVE_SUCCESS:
wl->psm_entry_retry = 0;
/* enable beacon filtering */
ret = wl1271_acx_beacon_filter_opt(wl, true);
if (ret < 0)
break;
/* enable beacon early termination */
ret = wl1271_acx_bet_enable(wl, true);
if (ret < 0)
break;
/* go to extremely low power mode */
wl1271_ps_elp_sleep(wl);
if (ret < 0)
break;
break;
case EVENT_EXIT_POWER_SAVE_FAIL:
wl1271_debug(DEBUG_PSM, "PSM exit failed");
if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
wl->psm_entry_retry = 0;
break;
}
/* make sure the firmware goes to active mode - the frame to
be sent next will indicate to the AP, that we are active. */
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
false);
break;
case EVENT_EXIT_POWER_SAVE_SUCCESS:
default:
break;
}
return ret;
}
int wlcore_boot_upload_nvs(struct wl1271 *wl)
{
size_t nvs_len, burst_len;
int i;
u32 dest_addr, val;
u8 *nvs_ptr, *nvs_aligned;
int ret;
if (wl->nvs == NULL) {
wl1271_error("NVS file is needed during boot");
return -ENODEV;
}
if (wl->quirks & WLCORE_QUIRK_LEGACY_NVS) {
struct wl1271_nvs_file *nvs =
(struct wl1271_nvs_file *)wl->nvs;
/*
* FIXME: the LEGACY NVS image support (NVS's missing the 5GHz
* band configurations) can be removed when those NVS files stop
* floating around.
*/
if (wl->nvs_len == sizeof(struct wl1271_nvs_file) ||
wl->nvs_len == WL1271_INI_LEGACY_NVS_FILE_SIZE) {
if (nvs->general_params.dual_mode_select)
wl->enable_11a = true;
}
if (wl->nvs_len != sizeof(struct wl1271_nvs_file) &&
(wl->nvs_len != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
wl->enable_11a)) {
wl1271_error("nvs size is not as expected: %zu != %zu",
wl->nvs_len, sizeof(struct wl1271_nvs_file));
kfree(wl->nvs);
wl->nvs = NULL;
wl->nvs_len = 0;
return -EILSEQ;
}
/* only the first part of the NVS needs to be uploaded */
nvs_len = sizeof(nvs->nvs);
nvs_ptr = (u8 *) nvs->nvs;
} else {
struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
if (wl->nvs_len == sizeof(struct wl128x_nvs_file)) {
if (nvs->general_params.dual_mode_select)
wl->enable_11a = true;
} else {
wl1271_error("nvs size is not as expected: %zu != %zu",
wl->nvs_len,
sizeof(struct wl128x_nvs_file));
kfree(wl->nvs);
wl->nvs = NULL;
wl->nvs_len = 0;
return -EILSEQ;
}
/* only the first part of the NVS needs to be uploaded */
nvs_len = sizeof(nvs->nvs);
nvs_ptr = (u8 *)nvs->nvs;
}
/* update current MAC address to NVS */
nvs_ptr[11] = wl->addresses[0].addr[0];
nvs_ptr[10] = wl->addresses[0].addr[1];
nvs_ptr[6] = wl->addresses[0].addr[2];
nvs_ptr[5] = wl->addresses[0].addr[3];
nvs_ptr[4] = wl->addresses[0].addr[4];
nvs_ptr[3] = wl->addresses[0].addr[5];
/*
* Layout before the actual NVS tables:
* 1 byte : burst length.
* 2 bytes: destination address.
* n bytes: data to burst copy.
*
* This is ended by a 0 length, then the NVS tables.
*/
/* FIXME: Do we need to check here whether the LSB is 1? */
while (nvs_ptr[0]) {
burst_len = nvs_ptr[0];
dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
/*
* Due to our new wl1271_translate_reg_addr function,
* we need to add the register partition start address
* to the destination
*/
dest_addr += wl->curr_part.reg.start;
/* We move our pointer to the data */
nvs_ptr += 3;
for (i = 0; i < burst_len; i++) {
if (nvs_ptr + 3 >= (u8 *) wl->nvs + nvs_len)
goto out_badnvs;
val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
| (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
wl1271_debug(DEBUG_BOOT,
"nvs burst write 0x%x: 0x%x",
dest_addr, val);
ret = wlcore_write32(wl, dest_addr, val);
if (ret < 0)
return ret;
nvs_ptr += 4;
dest_addr += 4;
}
if (nvs_ptr >= (u8 *) wl->nvs + nvs_len)
goto out_badnvs;
}
/*
* We've reached the first zero length, the first NVS table
* is located at an aligned offset which is at least 7 bytes further.
* 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.
*/
nvs_ptr = (u8 *)wl->nvs +
ALIGN(nvs_ptr - (u8 *)wl->nvs + 7, 4);
if (nvs_ptr >= (u8 *) wl->nvs + nvs_len)
goto out_badnvs;
nvs_len -= nvs_ptr - (u8 *)wl->nvs;
/* Now we must set the partition correctly */
ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
if (ret < 0)
return ret;
/* Copy the NVS tables to a new block to ensure alignment */
nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL);
if (!nvs_aligned)
return -ENOMEM;
/* And finally we upload the NVS tables */
ret = wlcore_write_data(wl, REG_CMD_MBOX_ADDRESS, nvs_aligned, nvs_len,
false);
kfree(nvs_aligned);
return ret;
out_badnvs:
wl1271_error("nvs data is malformed");
return -EILSEQ;
}
static int wl1271_boot_upload_nvs(struct wl1271 *wl)
{
size_t nvs_len, burst_len;
int i;
u32 dest_addr, val;
u8 *nvs_ptr, *nvs, *nvs_aligned;
nvs = wl->nvs;
if (nvs == NULL)
return -ENODEV;
nvs_ptr = nvs;
nvs_len = wl->nvs_len;
/* Update the device MAC address into the nvs */
nvs[11] = wl->mac_addr[0];
nvs[10] = wl->mac_addr[1];
nvs[6] = wl->mac_addr[2];
nvs[5] = wl->mac_addr[3];
nvs[4] = wl->mac_addr[4];
nvs[3] = wl->mac_addr[5];
/*
* Layout before the actual NVS tables:
* 1 byte : burst length.
* 2 bytes: destination address.
* n bytes: data to burst copy.
*
* This is ended by a 0 length, then the NVS tables.
*/
/* FIXME: Do we need to check here whether the LSB is 1? */
while (nvs_ptr[0]) {
burst_len = nvs_ptr[0];
dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
/* FIXME: Due to our new wl1271_translate_reg_addr function,
we need to add the REGISTER_BASE to the destination */
dest_addr += REGISTERS_BASE;
/* We move our pointer to the data */
nvs_ptr += 3;
for (i = 0; i < burst_len; i++) {
val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
| (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
wl1271_debug(DEBUG_BOOT,
"nvs burst write 0x%x: 0x%x",
dest_addr, val);
wl1271_reg_write32(wl, dest_addr, val);
nvs_ptr += 4;
dest_addr += 4;
}
}
/*
* We've reached the first zero length, the first NVS table
* is 7 bytes further.
*/
nvs_ptr += 7;
nvs_len -= nvs_ptr - nvs;
nvs_len = ALIGN(nvs_len, 4);
/* FIXME: The driver sets the partition here, but this is not needed,
since it sets to the same one as currently in use */
/* Now we must set the partition correctly */
wl1271_set_partition(wl,
part_table[PART_WORK].mem.start,
part_table[PART_WORK].mem.size,
part_table[PART_WORK].reg.start,
part_table[PART_WORK].reg.size);
/* Copy the NVS tables to a new block to ensure alignment */
nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL);
/* And finally we upload the NVS tables */
/* FIXME: In wl1271, we upload everything at once.
No endianness handling needed here?! The ref driver doesn't do
anything about it at this point */
wl1271_spi_mem_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len);
kfree(nvs_aligned);
return 0;
}
int wlcore_boot_run_firmware(struct wl1271 *wl)
{
int loop, ret;
u32 chip_id, intr;
/* Make sure we have the boot partition */
ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
if (ret < 0)
return ret;
ret = wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
if (ret < 0)
return ret;
ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &chip_id);
if (ret < 0)
return ret;
wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
if (chip_id != wl->chip.id) {
wl1271_error("chip id doesn't match after firmware boot");
return -EIO;
}
/* wait for init to complete */
loop = 0;
while (loop++ < INIT_LOOP) {
udelay(INIT_LOOP_DELAY);
ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
if (ret < 0)
return ret;
if (intr == 0xffffffff) {
wl1271_error("error reading hardware complete "
"init indication");
return -EIO;
}
/* check that ACX_INTR_INIT_COMPLETE is enabled */
else if (intr & WL1271_ACX_INTR_INIT_COMPLETE) {
ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK,
WL1271_ACX_INTR_INIT_COMPLETE);
if (ret < 0)
return ret;
break;
}
}
if (loop > INIT_LOOP) {
wl1271_error("timeout waiting for the hardware to "
"complete initialization");
return -EIO;
}
/* get hardware config command mail box */
ret = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR, &wl->cmd_box_addr);
if (ret < 0)
return ret;
wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x", wl->cmd_box_addr);
/* get hardware config event mail box */
ret = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR, &wl->mbox_ptr[0]);
if (ret < 0)
return ret;
wl->mbox_ptr[1] = wl->mbox_ptr[0] + wl->mbox_size;
wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x",
wl->mbox_ptr[0], wl->mbox_ptr[1]);
ret = wlcore_boot_static_data(wl);
if (ret < 0) {
wl1271_error("error getting static data");
return ret;
}
/*
* in case of full asynchronous mode the firmware event must be
* ready to receive event from the command mailbox
*/
/* unmask required mbox events */
ret = wl1271_event_unmask(wl);
if (ret < 0) {
wl1271_error("EVENT mask setting failed");
return ret;
}
/* set the working partition to its "running" mode offset */
ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
/* firmware startup completed */
return ret;
}
int wl1271_boot(struct wl1271 *wl)
{
int ret = 0;
u32 tmp, clk, pause;
if (REF_CLOCK == 0 || REF_CLOCK == 2)
/* ref clk: 19.2/38.4 */
clk = 0x3;
else if (REF_CLOCK == 1 || REF_CLOCK == 3)
/* ref clk: 26/52 */
clk = 0x5;
wl1271_reg_write32(wl, PLL_PARAMETERS, clk);
pause = wl1271_reg_read32(wl, PLL_PARAMETERS);
wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
pause &= ~(WU_COUNTER_PAUSE_VAL); /* FIXME: This should probably be
* WU_COUNTER_PAUSE_VAL instead of
* 0x3ff (magic number ). How does
* this work?! */
pause |= WU_COUNTER_PAUSE_VAL;
wl1271_reg_write32(wl, WU_COUNTER_PAUSE, pause);
/* Continue the ELP wake up sequence */
wl1271_reg_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
udelay(500);
wl1271_set_partition(wl,
part_table[PART_DRPW].mem.start,
part_table[PART_DRPW].mem.size,
part_table[PART_DRPW].reg.start,
part_table[PART_DRPW].reg.size);
/* Read-modify-write DRPW_SCRATCH_START register (see next state)
to be used by DRPw FW. The RTRIM value will be added by the FW
before taking DRPw out of reset */
wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START);
clk = wl1271_reg_read32(wl, DRPW_SCRATCH_START);
wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
/* 2 */
clk |= (REF_CLOCK << 1) << 4;
wl1271_reg_write32(wl, DRPW_SCRATCH_START, clk);
wl1271_set_partition(wl,
part_table[PART_WORK].mem.start,
part_table[PART_WORK].mem.size,
part_table[PART_WORK].reg.start,
part_table[PART_WORK].reg.size);
/* Disable interrupts */
wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
ret = wl1271_boot_soft_reset(wl);
if (ret < 0)
goto out;
/* 2. start processing NVS file */
ret = wl1271_boot_upload_nvs(wl);
if (ret < 0)
goto out;
/* write firmware's last address (ie. it's length) to
* ACX_EEPROMLESS_IND_REG */
wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
wl1271_reg_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG);
tmp = wl1271_reg_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
/* 6. read the EEPROM parameters */
tmp = wl1271_reg_read32(wl, SCR_PAD2);
ret = wl1271_boot_write_irq_polarity(wl);
if (ret < 0)
goto out;
/* FIXME: Need to check whether this is really what we want */
wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
WL1271_ACX_ALL_EVENTS_VECTOR);
/* WL1271: The reference driver skips steps 7 to 10 (jumps directly
* to upload_fw) */
ret = wl1271_boot_upload_firmware(wl);
if (ret < 0)
goto out;
/* 10.5 start firmware */
ret = wl1271_boot_run_firmware(wl);
if (ret < 0)
goto out;
/* set the wl1271 default filters */
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
wl1271_event_mbox_config(wl);
out:
return ret;
}
static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
bool unaligned, u8 *hlid)
{
struct wl1271_rx_descriptor *desc;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
u8 *buf;
u8 beacon = 0;
u8 is_data = 0;
u8 reserved = unaligned ? NET_IP_ALIGN : 0;
u16 seq_num;
/*
* In PLT mode we seem to get frames and mac80211 warns about them,
* workaround this by not retrieving them at all.
*/
if (unlikely(wl->state == WL1271_STATE_PLT))
return -EINVAL;
/* the data read starts with the descriptor */
desc = (struct wl1271_rx_descriptor *) data;
if (desc->packet_class == WL12XX_RX_CLASS_LOGGER) {
size_t len = length - sizeof(*desc);
wl12xx_copy_fwlog(wl, data + sizeof(*desc), len);
wake_up_interruptible(&wl->fwlog_waitq);
return 0;
}
switch (desc->status & WL1271_RX_DESC_STATUS_MASK) {
/* discard corrupted packets */
case WL1271_RX_DESC_DRIVER_RX_Q_FAIL:
case WL1271_RX_DESC_DECRYPT_FAIL:
wl1271_warning("corrupted packet in RX with status: 0x%x",
desc->status & WL1271_RX_DESC_STATUS_MASK);
return -EINVAL;
case WL1271_RX_DESC_SUCCESS:
case WL1271_RX_DESC_MIC_FAIL:
break;
default:
wl1271_error("invalid RX descriptor status: 0x%x",
desc->status & WL1271_RX_DESC_STATUS_MASK);
return -EINVAL;
}
/* skb length not included rx descriptor */
skb = __dev_alloc_skb(length + reserved - sizeof(*desc), GFP_KERNEL);
if (!skb) {
wl1271_error("Couldn't allocate RX frame");
return -ENOMEM;
}
/* reserve the unaligned payload(if any) */
skb_reserve(skb, reserved);
buf = skb_put(skb, length - sizeof(*desc));
/*
* Copy packets from aggregation buffer to the skbs without rx
* descriptor and with packet payload aligned care. In case of unaligned
* packets copy the packets in offset of 2 bytes guarantee IP header
* payload aligned to 4 bytes.
*/
memcpy(buf, data + sizeof(*desc), length - sizeof(*desc));
*hlid = desc->hlid;
hdr = (struct ieee80211_hdr *)skb->data;
if (ieee80211_is_beacon(hdr->frame_control))
beacon = 1;
if (ieee80211_is_data_present(hdr->frame_control))
is_data = 1;
wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon);
seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d hlid %d", skb,
skb->len - desc->pad_len,
beacon ? "beacon" : "",
seq_num, *hlid);
skb_trim(skb, skb->len - desc->pad_len);
skb_queue_tail(&wl->deferred_rx_queue, skb);
queue_work(wl->freezable_wq, &wl->netstack_work);
#ifdef CONFIG_HAS_WAKELOCK
/* let the frame some time to propagate to user-space */
wake_lock_timeout(&wl->rx_wake, HZ);
#endif
return is_data;
}
int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif)
{
struct acx_rate_policy *acx;
struct conf_tx_rate_class *c = &wl->conf.tx.sta_rc_conf;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx rate policies");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
wl1271_debug(DEBUG_ACX, "basic_rate: 0x%x, full_rate: 0x%x",
wlvif->basic_rate, wlvif->rate_set);
/* configure one basic rate class */
acx->rate_policy_idx = cpu_to_le32(wlvif->sta.basic_rate_idx);
acx->rate_policy.enabled_rates = cpu_to_le32(wlvif->basic_rate);
acx->rate_policy.short_retry_limit = c->short_retry_limit;
acx->rate_policy.long_retry_limit = c->long_retry_limit;
acx->rate_policy.aflags = c->aflags;
ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("Setting of rate policies failed: %d", ret);
goto out;
}
/* configure one AP supported rate class */
acx->rate_policy_idx = cpu_to_le32(wlvif->sta.ap_rate_idx);
acx->rate_policy.enabled_rates = cpu_to_le32(wlvif->rate_set);
acx->rate_policy.short_retry_limit = c->short_retry_limit;
acx->rate_policy.long_retry_limit = c->long_retry_limit;
acx->rate_policy.aflags = c->aflags;
ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("Setting of rate policies failed: %d", ret);
goto out;
}
/*
* configure one rate class for basic p2p operations.
* (p2p packets should always go out with OFDM rates, even
* if we are currently connected to 11b AP)
*/
acx->rate_policy_idx = cpu_to_le32(wlvif->sta.p2p_rate_idx);
acx->rate_policy.enabled_rates =
cpu_to_le32(CONF_TX_RATE_MASK_BASIC_P2P);
acx->rate_policy.short_retry_limit = c->short_retry_limit;
acx->rate_policy.long_retry_limit = c->long_retry_limit;
acx->rate_policy.aflags = c->aflags;
ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("Setting of rate policies failed: %d", ret);
goto out;
}
out:
kfree(acx);
return ret;
}
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
int ret;
u32 vector;
bool beacon_loss = false;
bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
bool disconnect_sta = false;
unsigned long sta_bitmap = 0;
wl1271_event_mbox_dump(mbox);
vector = le32_to_cpu(mbox->events_vector);
vector &= ~(le32_to_cpu(mbox->events_mask));
wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);
if (vector & SCAN_COMPLETE_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
wl1271_scan_stm(wl);
}
/* disable dynamic PS when requested by the firmware */
if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
wl->bss_type == BSS_TYPE_STA_BSS) {
if (mbox->soft_gemini_sense_info)
ieee80211_disable_dyn_ps(wl->vif);
else
ieee80211_enable_dyn_ps(wl->vif);
}
/*
* The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
* filtering) is enabled. Without PSM, the stack will receive all
* beacons and can detect beacon loss by itself.
*
* As there's possibility that the driver disables PSM before receiving
* BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
*
*/
if ((vector & BSS_LOSE_EVENT_ID) && !is_ap) {
wl1271_info("Beacon loss detected.");
/* indicate to the stack, that beacons have been lost */
beacon_loss = true;
}
if ((vector & PS_REPORT_EVENT_ID) && !is_ap) {
wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
if (ret < 0)
return ret;
}
if ((vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) && !is_ap)
wl1271_event_pspoll_delivery_fail(wl);
if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
if (wl->vif)
wl1271_event_rssi_trigger(wl, mbox);
}
if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) {
wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
if (wl->vif)
wl1271_tx_dummy_packet(wl);
}
/*
* "TX retries exceeded" has a different meaning according to mode.
* In AP mode the offending station is disconnected. In STA mode we
* report connection loss.
*/
if (vector & MAX_TX_RETRY_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
if (is_ap) {
sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
disconnect_sta = true;
} else {
beacon_loss = true;
}
}
if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
disconnect_sta = true;
}
if (wl->vif && beacon_loss)
ieee80211_connection_loss(wl->vif);
if (is_ap && disconnect_sta) {
u32 num_packets = wl->conf.tx.max_tx_retries;
struct ieee80211_sta *sta;
const u8 *addr;
int h;
for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
h < AP_MAX_LINKS;
h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
if (!wl1271_is_active_sta(wl, h))
continue;
addr = wl->links[h].addr;
rcu_read_lock();
sta = ieee80211_find_sta(wl->vif, addr);
if (sta) {
wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
#if 0
ieee80211_report_low_ack(sta, num_packets);
#endif
}
rcu_read_unlock();
}
}
return 0;
}
int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
u16 beacon_interval, u8 wait)
{
static bool do_cal = true;
unsigned long timeout;
struct wl1271_cmd_join *join;
int ret, i;
u8 *bssid;
/* FIXME: remove when we get calibration from the factory */
if (do_cal) {
ret = wl1271_cmd_cal(wl);
if (ret < 0)
wl1271_warning("couldn't calibrate");
else
do_cal = false;
}
join = kzalloc(sizeof(*join), GFP_KERNEL);
if (!join) {
ret = -ENOMEM;
goto out;
}
wl1271_debug(DEBUG_CMD, "cmd join");
/* Reverse order BSSID */
bssid = (u8 *) &join->bssid_lsb;
for (i = 0; i < ETH_ALEN; i++)
bssid[i] = wl->bssid[ETH_ALEN - i - 1];
join->rx_config_options = wl->rx_config;
join->rx_filter_options = wl->rx_filter;
join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
join->beacon_interval = beacon_interval;
join->dtim_interval = dtim_interval;
join->bss_type = bss_type;
join->channel = wl->channel;
join->ssid_len = wl->ssid_len;
memcpy(join->ssid, wl->ssid, wl->ssid_len);
join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH;
/* increment the session counter */
wl->session_counter++;
if (wl->session_counter >= SESSION_COUNTER_MAX)
wl->session_counter = 0;
join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
if (ret < 0) {
wl1271_error("failed to initiate cmd join");
goto out_free;
}
timeout = msecs_to_jiffies(JOIN_TIMEOUT);
/*
* ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
* simplify locking we just sleep instead, for now
*/
if (wait)
msleep(10);
out_free:
kfree(join);
out:
return ret;
}
static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
}
