int
il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
dma_addr_t addr, u16 len, u8 reset, u8 pad)
{
int count;
struct il_queue *q;
struct il3945_tfd *tfd, *tfd_tmp;
q = &txq->q;
tfd_tmp = (struct il3945_tfd *)txq->tfds;
tfd = &tfd_tmp[q->write_ptr];
if (reset)
memset(tfd, 0, sizeof(*tfd));
count = TFD_CTL_COUNT_GET(le32_to_cpu(tfd->control_flags));
if (count >= NUM_TFD_CHUNKS || count < 0) {
IL_ERR("Error can not send more than %d chunks\n",
NUM_TFD_CHUNKS);
return -EINVAL;
}
tfd->tbs[count].addr = cpu_to_le32(addr);
tfd->tbs[count].len = cpu_to_le32(len);
count++;
tfd->control_flags =
cpu_to_le32(TFD_CTL_COUNT_SET(count) | TFD_CTL_PAD_SET(pad));
return 0;
}
static ssize_t
il_dbgfs_disable_ht40_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
char buf[8];
int buf_size;
int ht40;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &ht40) != 1)
return -EFAULT;
if (!il_is_any_associated(il))
il->disable_ht40 = ht40 ? true : false;
else {
IL_ERR("Sta associated with AP - "
"Change to 40MHz channel support is not allowed\n");
return -EINVAL;
}
return count;
}
/**
* il3945_txq_ctx_reset - Reset TX queue context
*
* Destroys all DMA structures and initialize them again
*/
static int
il3945_txq_ctx_reset(struct il_priv *il)
{
int rc, txq_id;
il3945_hw_txq_ctx_free(il);
/* allocate tx queue structure */
rc = il_alloc_txq_mem(il);
if (rc)
return rc;
/* Tx CMD queue */
rc = il3945_tx_reset(il);
if (rc)
goto error;
/* Tx queue(s) */
for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) {
rc = il_tx_queue_init(il, txq_id);
if (rc) {
IL_ERR("Tx %d queue init failed\n", txq_id);
goto error;
}
}
return rc;
error:
il3945_hw_txq_ctx_free(il);
return rc;
}
/**
* il3945_hw_reg_txpower_get_temperature
* get the current temperature by reading from NIC
*/
static int
il3945_hw_reg_txpower_get_temperature(struct il_priv *il)
{
struct il3945_eeprom *eeprom = (struct il3945_eeprom *)il->eeprom;
int temperature;
temperature = il3945_hw_get_temperature(il);
/* driver's okay range is -260 to +25.
* human readable okay range is 0 to +285 */
D_INFO("Temperature: %d\n", temperature + IL_TEMP_CONVERT);
/* handle insane temp reading */
if (il3945_hw_reg_temp_out_of_range(temperature)) {
IL_ERR("Error bad temperature value %d\n", temperature);
/* if really really hot(?),
* substitute the 3rd band/group's temp measured at factory */
if (il->last_temperature > 100)
temperature = eeprom->groups[2].temperature;
else /* else use most recent "sane" value from driver */
temperature = il->last_temperature;
}
return temperature; /* raw, not "human readable" */
}
static ssize_t
il_dbgfs_nvm_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
{
ssize_t ret;
struct il_priv *il = file->private_data;
int pos = 0, ofs = 0, buf_size = 0;
const u8 *ptr;
char *buf;
u16 eeprom_ver;
size_t eeprom_len = il->cfg->eeprom_size;
buf_size = 4 * eeprom_len + 256;
if (eeprom_len % 16) {
IL_ERR("NVM size is not multiple of 16.\n");
return -ENODATA;
}
ptr = il->eeprom;
if (!ptr) {
IL_ERR("Invalid EEPROM memory\n");
return -ENOMEM;
}
/* 4 characters for byte 0xYY */
buf = kzalloc(buf_size, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
pos +=
scnprintf(buf + pos, buf_size - pos, "EEPROM " "version: 0x%x\n",
eeprom_ver);
for (ofs = 0; ofs < eeprom_len; ofs += 16) {
pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
hex_dump_to_buffer(ptr + ofs, 16, 16, 2, buf + pos,
buf_size - pos, 0);
pos += strlen(buf + pos);
if (buf_size - pos > 0)
buf[pos++] = '\n';
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static void
il3945_pass_packet_to_mac80211(struct il_priv *il, struct il_rx_buf *rxb,
struct ieee80211_rx_status *stats)
{
struct il_rx_pkt *pkt = rxb_addr(rxb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)IL_RX_DATA(pkt);
struct il3945_rx_frame_hdr *rx_hdr = IL_RX_HDR(pkt);
struct il3945_rx_frame_end *rx_end = IL_RX_END(pkt);
u32 len = le16_to_cpu(rx_hdr->len);
struct sk_buff *skb;
__le16 fc = hdr->frame_control;
u32 fraglen = PAGE_SIZE << il->hw_params.rx_page_order;
/* We received data from the HW, so stop the watchdog */
if (unlikely(len + IL39_RX_FRAME_SIZE > fraglen)) {
D_DROP("Corruption detected!\n");
return;
}
/* We only process data packets if the interface is open */
if (unlikely(!il->is_open)) {
D_DROP("Dropping packet while interface is not open.\n");
return;
}
if (unlikely(test_bit(IL_STOP_REASON_PASSIVE, &il->stop_reason))) {
il_wake_queues_by_reason(il, IL_STOP_REASON_PASSIVE);
D_INFO("Woke queues - frame received on passive channel\n");
}
skb = dev_alloc_skb(SMALL_PACKET_SIZE);
if (!skb) {
IL_ERR("dev_alloc_skb failed\n");
return;
}
if (!il3945_mod_params.sw_crypto)
il_set_decrypted_flag(il, (struct ieee80211_hdr *)pkt,
le32_to_cpu(rx_end->status), stats);
/* If frame is small enough to fit into skb->head, copy it
* and do not consume a full page
*/
if (len <= SMALL_PACKET_SIZE) {
memcpy(skb_put(skb, len), rx_hdr->payload, len);
} else {
skb_add_rx_frag(skb, 0, rxb->page,
(void *)rx_hdr->payload - (void *)pkt, len,
fraglen);
il->alloc_rxb_page--;
rxb->page = NULL;
}
il_update_stats(il, false, fc, len);
memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
ieee80211_rx(il->hw, skb);
}
static ssize_t
il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
{
struct il_priv *il = file->private_data;
struct il_tx_queue *txq;
struct il_queue *q;
char *buf;
int pos = 0;
int cnt;
int ret;
const size_t bufsz =
sizeof(char) * 64 * il->cfg->num_of_queues;
if (!il->txq) {
IL_ERR("txq not ready\n");
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) {
txq = &il->txq[cnt];
q = &txq->q;
pos +=
scnprintf(buf + pos, bufsz - pos,
"hwq %.2d: read=%u write=%u stop=%d"
" swq_id=%#.2x (ac %d/hwq %d)\n", cnt,
q->read_ptr, q->write_ptr,
!!test_bit(cnt, il->queue_stopped),
txq->swq_id, txq->swq_id & 3,
(txq->swq_id >> 2) & 0x1f);
if (cnt >= 4)
continue;
/* for the ACs, display the stop count too */
pos +=
scnprintf(buf + pos, bufsz - pos,
" stop-count: %d\n",
atomic_read(&il->queue_stop_count[cnt]));
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
int
il3945_hw_nic_init(struct il_priv *il)
{
int rc;
unsigned long flags;
struct il_rx_queue *rxq = &il->rxq;
spin_lock_irqsave(&il->lock, flags);
il3945_apm_init(il);
spin_unlock_irqrestore(&il->lock, flags);
il3945_set_pwr_vmain(il);
il3945_nic_config(il);
/* Allocate the RX queue, or reset if it is already allocated */
if (!rxq->bd) {
rc = il_rx_queue_alloc(il);
if (rc) {
IL_ERR("Unable to initialize Rx queue\n");
return -ENOMEM;
}
} else
il3945_rx_queue_reset(il, rxq);
il3945_rx_replenish(il);
il3945_rx_init(il, rxq);
/* Look at using this instead:
rxq->need_update = 1;
il_rx_queue_update_write_ptr(il, rxq);
*/
il_wr(il, FH39_RCSR_WPTR(0), rxq->write & ~7);
rc = il3945_txq_ctx_reset(il);
if (rc)
return rc;
set_bit(S_INIT, &il->status);
return 0;
}
/**
* il3945_hw_txq_free_tfd - Free one TFD, those at idx [txq->q.read_ptr]
*
* Does NOT advance any idxes
*/
void
il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq)
{
struct il3945_tfd *tfd_tmp = (struct il3945_tfd *)txq->tfds;
int idx = txq->q.read_ptr;
struct il3945_tfd *tfd = &tfd_tmp[idx];
struct pci_dev *dev = il->pci_dev;
int i;
int counter;
/* sanity check */
counter = TFD_CTL_COUNT_GET(le32_to_cpu(tfd->control_flags));
if (counter > NUM_TFD_CHUNKS) {
IL_ERR("Too many chunks: %i\n", counter);
/* @todo issue fatal error, it is quite serious situation */
return;
}
/* Unmap tx_cmd */
if (counter)
pci_unmap_single(dev, dma_unmap_addr(&txq->meta[idx], mapping),
dma_unmap_len(&txq->meta[idx], len),
PCI_DMA_TODEVICE);
/* unmap chunks if any */
for (i = 1; i < counter; i++)
pci_unmap_single(dev, le32_to_cpu(tfd->tbs[i].addr),
le32_to_cpu(tfd->tbs[i].len),
PCI_DMA_TODEVICE);
/* free SKB */
if (txq->skbs) {
struct sk_buff *skb = txq->skbs[txq->q.read_ptr];
/* can be called from irqs-disabled context */
if (skb) {
dev_kfree_skb_any(skb);
txq->skbs[txq->q.read_ptr] = NULL;
}
}
}
static ssize_t
il_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
{
struct il_priv *il = file->private_data;
struct ieee80211_channel *channels = NULL;
const struct ieee80211_supported_band *supp_band = NULL;
int pos = 0, i, bufsz = PAGE_SIZE;
char *buf;
ssize_t ret;
if (!test_bit(S_GEO_CONFIGURED, &il->status))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
supp_band = il_get_hw_mode(il, IEEE80211_BAND_2GHZ);
if (supp_band) {
channels = supp_band->channels;
pos +=
scnprintf(buf + pos, bufsz - pos,
"Displaying %d channels in 2.4GHz band 802.11bg):\n",
supp_band->n_channels);
for (i = 0; i < supp_band->n_channels; i++)
pos +=
scnprintf(buf + pos, bufsz - pos,
"%d: %ddBm: BSS%s%s, %s.\n",
channels[i].hw_value,
channels[i].max_power,
channels[i].
flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].
flags & IEEE80211_CHAN_NO_IBSS) ||
(channels[i].
flags & IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].
flags & IEEE80211_CHAN_PASSIVE_SCAN ?
"passive only" : "active/passive");
}
supp_band = il_get_hw_mode(il, IEEE80211_BAND_5GHZ);
if (supp_band) {
channels = supp_band->channels;
pos +=
scnprintf(buf + pos, bufsz - pos,
"Displaying %d channels in 5.2GHz band (802.11a)\n",
supp_band->n_channels);
for (i = 0; i < supp_band->n_channels; i++)
pos +=
scnprintf(buf + pos, bufsz - pos,
"%d: %ddBm: BSS%s%s, %s.\n",
channels[i].hw_value,
channels[i].max_power,
channels[i].
flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].
flags & IEEE80211_CHAN_NO_IBSS) ||
(channels[i].
flags & IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].
flags & IEEE80211_CHAN_PASSIVE_SCAN ?
"passive only" : "active/passive");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
/*
* Create the debugfs files and directories
*
*/
int
il_dbgfs_register(struct il_priv *il, const char *name)
{
struct dentry *phyd = il->hw->wiphy->debugfsdir;
struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
dir_drv = debugfs_create_dir(name, phyd);
if (!dir_drv)
return -ENOMEM;
il->debugfs_dir = dir_drv;
dir_data = debugfs_create_dir("data", dir_drv);
if (!dir_data)
goto err;
dir_rf = debugfs_create_dir("rf", dir_drv);
if (!dir_rf)
goto err;
dir_debug = debugfs_create_dir("debug", dir_drv);
if (!dir_debug)
goto err;
DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(clear_ucode_stats, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(clear_traffic_stats, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
if (il->cfg->sensitivity_calib_by_driver)
DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
if (il->cfg->chain_noise_calib_by_driver)
DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
if (il->cfg->sensitivity_calib_by_driver)
DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
&il->disable_sens_cal);
if (il->cfg->chain_noise_calib_by_driver)
DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
&il->disable_chain_noise_cal);
DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, &il->disable_tx_power_cal);
return 0;
err:
IL_ERR("Can't create the debugfs directory\n");
il_dbgfs_unregister(il);
return -ENOMEM;
}
static ssize_t
il_dbgfs_chain_noise_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = sizeof(struct il_chain_noise_data) * 4 + 100;
ssize_t ret;
struct il_chain_noise_data *data;
data = &il->chain_noise_data;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
pos +=
scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
data->active_chains);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
data->chain_noise_a);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
data->chain_noise_b);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
data->chain_noise_c);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
data->chain_signal_a);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
data->chain_signal_b);
pos +=
scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
data->chain_signal_c);
pos +=
scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
data->beacon_count);
pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
pos +=
scnprintf(buf + pos, bufsz - pos, " %u",
data->disconn_array[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
pos +=
scnprintf(buf + pos, bufsz - pos, " %u",
data->delta_gain_code[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos +=
scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
data->radio_write);
pos +=
scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
data->state);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
/**
* il3945_hdl_tx - Handle Tx response
*/
static void
il3945_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb)
{
struct il_rx_pkt *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
int idx = SEQ_TO_IDX(sequence);
struct il_tx_queue *txq = &il->txq[txq_id];
struct ieee80211_tx_info *info;
struct il3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
int rate_idx;
int fail;
if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) {
IL_ERR("Read idx for DMA queue txq_id (%d) idx %d "
"is out of range [0-%d] %d %d\n", txq_id, idx,
txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr);
return;
}
/*
* Firmware will not transmit frame on passive channel, if it not yet
* received some valid frame on that channel. When this error happen
* we have to wait until firmware will unblock itself i.e. when we
* note received beacon or other frame. We unblock queues in
* il3945_pass_packet_to_mac80211 or in il_mac_bss_info_changed.
*/
if (unlikely((status & TX_STATUS_MSK) == TX_STATUS_FAIL_PASSIVE_NO_RX) &&
il->iw_mode == NL80211_IFTYPE_STATION) {
il_stop_queues_by_reason(il, IL_STOP_REASON_PASSIVE);
D_INFO("Stopped queues - RX waiting on passive channel\n");
}
txq->time_stamp = jiffies;
info = IEEE80211_SKB_CB(txq->skbs[txq->q.read_ptr]);
ieee80211_tx_info_clear_status(info);
/* Fill the MRR chain with some info about on-chip retransmissions */
rate_idx = il3945_hwrate_to_plcp_idx(tx_resp->rate);
if (info->band == IEEE80211_BAND_5GHZ)
rate_idx -= IL_FIRST_OFDM_RATE;
fail = tx_resp->failure_frame;
info->status.rates[0].idx = rate_idx;
info->status.rates[0].count = fail + 1; /* add final attempt */
/* tx_status->rts_retry_count = tx_resp->failure_rts; */
info->flags |=
((status & TX_STATUS_MSK) ==
TX_STATUS_SUCCESS) ? IEEE80211_TX_STAT_ACK : 0;
D_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n", txq_id,
il3945_get_tx_fail_reason(status), status, tx_resp->rate,
tx_resp->failure_frame);
D_TX_REPLY("Tx queue reclaim %d\n", idx);
il3945_tx_queue_reclaim(il, txq_id, idx);
if (status & TX_ABORT_REQUIRED_MSK)
IL_ERR("TODO: Implement Tx ABORT REQUIRED!!!\n");
}
static int
il3945_send_rxon_assoc(struct il_priv *il)
{
int rc = 0;
struct il_rx_pkt *pkt;
struct il3945_rxon_assoc_cmd rxon_assoc;
struct il_host_cmd cmd = {
.id = C_RXON_ASSOC,
.len = sizeof(rxon_assoc),
.flags = CMD_WANT_SKB,
.data = &rxon_assoc,
};
const struct il_rxon_cmd *rxon1 = &il->staging;
const struct il_rxon_cmd *rxon2 = &il->active;
if (rxon1->flags == rxon2->flags &&
rxon1->filter_flags == rxon2->filter_flags &&
rxon1->cck_basic_rates == rxon2->cck_basic_rates &&
rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates) {
D_INFO("Using current RXON_ASSOC. Not resending.\n");
return 0;
}
rxon_assoc.flags = il->staging.flags;
rxon_assoc.filter_flags = il->staging.filter_flags;
rxon_assoc.ofdm_basic_rates = il->staging.ofdm_basic_rates;
rxon_assoc.cck_basic_rates = il->staging.cck_basic_rates;
rxon_assoc.reserved = 0;
rc = il_send_cmd_sync(il, &cmd);
if (rc)
return rc;
pkt = (struct il_rx_pkt *)cmd.reply_page;
if (pkt->hdr.flags & IL_CMD_FAILED_MSK) {
IL_ERR("Bad return from C_RXON_ASSOC command\n");
rc = -EIO;
}
il_free_pages(il, cmd.reply_page);
return rc;
}
/**
* il3945_commit_rxon - commit staging_rxon to hardware
*
* The RXON command in staging_rxon is committed to the hardware and
* the active_rxon structure is updated with the new data. This
* function correctly transitions out of the RXON_ASSOC_MSK state if
* a HW tune is required based on the RXON structure changes.
*/
int
il3945_commit_rxon(struct il_priv *il)
{
/* cast away the const for active_rxon in this function */
struct il3945_rxon_cmd *active_rxon = (void *)&il->active;
struct il3945_rxon_cmd *staging_rxon = (void *)&il->staging;
int rc = 0;
bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK);
if (test_bit(S_EXIT_PENDING, &il->status))
return -EINVAL;
if (!il_is_alive(il))
return -1;
/* always get timestamp with Rx frame */
staging_rxon->flags |= RXON_FLG_TSF2HOST_MSK;
/* select antenna */
staging_rxon->flags &= ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK);
staging_rxon->flags |= il3945_get_antenna_flags(il);
rc = il_check_rxon_cmd(il);
if (rc) {
IL_ERR("Invalid RXON configuration. Not committing.\n");
return -EINVAL;
}
/* If we don't need to send a full RXON, we can use
* il3945_rxon_assoc_cmd which is used to reconfigure filter
* and other flags for the current radio configuration. */
if (!il_full_rxon_required(il)) {
rc = il_send_rxon_assoc(il);
if (rc) {
IL_ERR("Error setting RXON_ASSOC "
"configuration (%d).\n", rc);
return rc;
}
memcpy(active_rxon, staging_rxon, sizeof(*active_rxon));
/*
* We do not commit tx power settings while channel changing,
* do it now if tx power changed.
*/
il_set_tx_power(il, il->tx_power_next, false);
return 0;
}
/* If we are currently associated and the new config requires
* an RXON_ASSOC and the new config wants the associated mask enabled,
* we must clear the associated from the active configuration
* before we apply the new config */
if (il_is_associated(il) && new_assoc) {
D_INFO("Toggling asso
/**
* il3945_send_tx_power - fill in Tx Power command with gain settings
*
* Configures power settings for all rates for the current channel,
* using values from channel info struct, and send to NIC
*/
static int
il3945_send_tx_power(struct il_priv *il)
{
int rate_idx, i;
const struct il_channel_info *ch_info = NULL;
struct il3945_txpowertable_cmd txpower = {
.channel = il->active.channel,
};
u16 chan;
if (WARN_ONCE
(test_bit(S_SCAN_HW, &il->status),
"TX Power requested while scanning!\n"))
return -EAGAIN;
chan = le16_to_cpu(il->active.channel);
txpower.band = (il->band == IEEE80211_BAND_5GHZ) ? 0 : 1;
ch_info = il_get_channel_info(il, il->band, chan);
if (!ch_info) {
IL_ERR("Failed to get channel info for channel %d [%d]\n", chan,
il->band);
return -EINVAL;
}
if (!il_is_channel_valid(ch_info)) {
D_POWER("Not calling TX_PWR_TBL_CMD on " "non-Tx channel.\n");
return 0;
}
/* fill cmd with power settings for all rates for current channel */
/* Fill OFDM rate */
for (rate_idx = IL_FIRST_OFDM_RATE, i = 0;
rate_idx <= IL39_LAST_OFDM_RATE; rate_idx++, i++) {
txpower.power[i].tpc = ch_info->power_info[i].tpc;
txpower.power[i].rate = il3945_rates[rate_idx].plcp;
D_POWER("ch %d:%d rf %d dsp %3d rate code 0x%02x\n",
le16_to_cpu(txpower.channel), txpower.band,
txpower.power[i].tpc.tx_gain,
txpower.power[i].tpc.dsp_atten, txpower.power[i].rate);
}
/* Fill CCK rates */
for (rate_idx = IL_FIRST_CCK_RATE; rate_idx <= IL_LAST_CCK_RATE;
rate_idx++, i++) {
txpower.power[i].tpc = ch_info->power_info[i].tpc;
txpower.power[i].rate = il3945_rates[rate_idx].plcp;
D_POWER("ch %d:%d rf %d dsp %3d rate code 0x%02x\n",
le16_to_cpu(txpower.channel), txpower.band,
txpower.power[i].tpc.tx_gain,
txpower.power[i].tpc.dsp_atten, txpower.power[i].rate);
}
return il_send_cmd_pdu(il, C_TX_PWR_TBL,
sizeof(struct il3945_txpowertable_cmd),
&txpower);
}
/**
* il3945_hw_reg_set_new_power - Configures power tables at new levels
* @ch_info: Channel to update. Uses power_info.requested_power.
*
* Replace requested_power and base_power_idx ch_info fields for
* one channel.
*
* Called if user or spectrum management changes power preferences.
* Takes into account h/w and modulation limitations (clip power).
*
* This does *not* send anything to NIC, just sets up ch_info for one channel.
*
* NOTE: reg_compensate_for_temperature_dif() *must* be run after this to
* properly fill out the scan powers, and actual h/w gain settings,
* and send changes to NIC
*/
static int
il3945_hw_reg_set_new_power(struct il_priv *il, struct il_channel_info *ch_info)
{
struct il3945_channel_power_info *power_info;
int power_changed = 0;
int i;
const s8 *clip_pwrs;
int power;
/* Get this chnlgrp's rate-to-max/clip-powers table */
clip_pwrs = il->_3945.clip_groups[ch_info->group_idx].clip_powers;
/* Get this channel's rate-to-current-power settings table */
power_info = ch_info->power_info;
/* update OFDM Txpower settings */
for (i = RATE_6M_IDX_TBL; i <= RATE_54M_IDX_TBL; i++, ++power_info) {
int delta_idx;
/* limit new power to be no more than h/w capability */
power = min(ch_info->curr_txpow, clip_pwrs[i]);
if (power == power_info->requested_power)
continue;
/* find difference between old and new requested powers,
* update base (non-temp-compensated) power idx */
delta_idx = (power - power_info->requested_power) * 2;
power_info->base_power_idx -= delta_idx;
/* save new requested power value */
power_info->requested_power = power;
power_changed = 1;
}
/* update CCK Txpower settings, based on OFDM 12M setting ...
* ... all CCK power settings for a given channel are the *same*. */
if (power_changed) {
power =
ch_info->power_info[RATE_12M_IDX_TBL].requested_power +
IL_CCK_FROM_OFDM_POWER_DIFF;
/* do all CCK rates' il3945_channel_power_info structures */
for (i = RATE_1M_IDX_TBL; i <= RATE_11M_IDX_TBL; i++) {
power_info->requested_power = power;
power_info->base_power_idx =
ch_info->power_info[RATE_12M_IDX_TBL].
base_power_idx + IL_CCK_FROM_OFDM_IDX_DIFF;
++power_info;
}
}
return 0;
}
/**
* il3945_hw_reg_get_ch_txpower_limit - returns new power limit for channel
*
* NOTE: Returned power limit may be less (but not more) than requested,
* based strictly on regulatory (eeprom and spectrum mgt) limitations
* (no consideration for h/w clipping limitations).
*/
static int
il3945_hw_reg_get_ch_txpower_limit(struct il_channel_info *ch_info)
{
s8 max_power;
#if 0
/* if we're using TGd limits, use lower of TGd or EEPROM */
if (ch_info->tgd_data.max_power != 0)
max_power =
min(ch_info->tgd_data.max_power,
ch_info->eeprom.max_power_avg);
/* else just use EEPROM limits */
else
#endif
max_power = ch_info->eeprom.max_power_avg;
return min(max_power, ch_info->max_power_avg);
}
/**
* il3945_disable_events - Disable selected events in uCode event log
*
* Disable an event by writing "1"s into "disable"
* bitmap in SRAM. Bit position corresponds to Event # (id/type).
* Default values of 0 enable uCode events to be logged.
* Use for only special debugging. This function is just a placeholder as-is,
* you'll need to provide the special bits! ...
* ... and set IL_EVT_DISABLE to 1. */
void
il3945_disable_events(struct il_priv *il)
{
int i;
u32 base; /* SRAM address of event log header */
u32 disable_ptr; /* SRAM address of event-disable bitmap array */
u32 array_size; /* # of u32 entries in array */
static const u32 evt_disable[IL_EVT_DISABLE_SIZE] = {
0x00000000, /* 31 - 0 Event id numbers */
0x00000000, /* 63 - 32 */
0x00000000, /* 95 - 64 */
0x00000000, /* 127 - 96 */
0x00000000, /* 159 - 128 */
0x00000000, /* 191 - 160 */
0x00000000, /* 223 - 192 */
0x00000000, /* 255 - 224 */
0x00000000, /* 287 - 256 */
0x00000000, /* 319 - 288 */
0x00000000, /* 351 - 320 */
0x00000000, /* 383 - 352 */
0x00000000, /* 415 - 384 */
0x00000000, /* 447 - 416 */
0x00000000, /* 479 - 448 */
0x00000000, /* 511 - 480 */
0x00000000, /* 543 - 512 */
0x00000000, /* 575 - 544 */
0x00000000, /* 607 - 576 */
0x00000000, /* 639 - 608 */
0x00000000, /* 671 - 640 */
0x00000000, /* 703 - 672 */
0x00000000, /* 735 - 704 */
0x00000000, /* 767 - 736 */
0x00000000, /* 799 - 768 */
0x00000000, /* 831 - 800 */
0x00000000, /* 863 - 832 */
0x00000000, /* 895 - 864 */
0x00000000, /* 927 - 896 */
0x00000000, /* 959 - 928 */
0x00000000, /* 991 - 960 */
0x00000000, /* 1023 - 992 */
0x00000000, /* 1055 - 1024 */
0x00000000, /* 1087 - 1056 */
0x00000000, /* 1119 - 1088 */
0x00000000, /* 1151 - 1120 */
0x00000000, /* 1183 - 1152 */
0x00000000, /* 1215 - 1184 */
0x00000000, /* 1247 - 1216 */
0x00000000, /* 1279 - 1248 */
0x00000000, /* 1311 - 1280 */
0x00000000, /* 1343 - 1312 */
0x00000000, /* 1375 - 1344 */
0x00000000, /* 1407 - 1376 */
0x00000000, /* 1439 - 1408 */
0x00000000, /* 1471 - 1440 */
0x00000000, /* 1503 - 1472 */
};
base = le32_to_cpu(il->card_alive.log_event_table_ptr);
if (!il3945_hw_valid_rtc_data_addr(base)) {
IL_ERR("Invalid event log pointer 0x%08X\n", base);
return;
}
disable_ptr = il_read_targ_mem(il, base + (4 * sizeof(u32)));
array_size = il_read_targ_mem(il, base + (5 * sizeof(u32)));
if (IL_EVT_DISABLE && array_size == IL_EVT_DISABLE_SIZE) {
D_INFO("Disabling selected uCode log events at 0x%x\n",
disable_ptr);
for (i = 0; i < IL_EVT_DISABLE_SIZE; i++)
il_write_targ_mem(il, disable_ptr + (i * sizeof(u32)),
evt_disable[i]);
} else {
D_INFO("Selected uCode log events may be disabled\n");
D_INFO(" by writing \"1\"s into disable bitmap\n");
D_INFO(" in SRAM at 0x%x, size %d u32s\n", disable_ptr,
array_size);
}
}
static ssize_t
il_dbgfs_interrupt_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = 24 * 64; /* 24 items * 64 char per item */
ssize_t ret;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
pos +=
scnprintf(buf + pos, bufsz - pos, "Interrupt Statistics Report:\n");
pos +=
scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
il->isr_stats.hw);
pos +=
scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
il->isr_stats.sw);
if (il->isr_stats.sw || il->isr_stats.hw) {
pos +=
scnprintf(buf + pos, bufsz - pos,
"\tLast Restarting Code: 0x%X\n",
il->isr_stats.err_code);
}
#ifdef CONFIG_IWLEGACY_DEBUG
pos +=
scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
il->isr_stats.sch);
pos +=
scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
il->isr_stats.alive);
#endif
pos +=
scnprintf(buf + pos, bufsz - pos,
"HW RF KILL switch toggled:\t %u\n",
il->isr_stats.rfkill);
pos +=
scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
il->isr_stats.ctkill);
pos +=
scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
il->isr_stats.wakeup);
pos +=
scnprintf(buf + pos, bufsz - pos, "Rx command responses:\t\t %u\n",
il->isr_stats.rx);
for (cnt = 0; cnt < IL_CN_MAX; cnt++) {
if (il->isr_stats.handlers[cnt] > 0)
pos +=
scnprintf(buf + pos, bufsz - pos,
"\tRx handler[%36s]:\t\t %u\n",
il_get_cmd_string(cnt),
il->isr_stats.handlers[cnt]);
}
pos +=
scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
il->isr_stats.tx);
pos +=
scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
il->isr_stats.unhandled);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
ssize_t
il3945_ucode_general_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
char *buf;
int bufsz = sizeof(struct iwl39_stats_general) * 10 + 300;
ssize_t ret;
struct iwl39_stats_general *general, *accum_general;
struct iwl39_stats_general *delta_general, *max_general;
struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
struct iwl39_stats_div *div, *accum_div, *delta_div, *max_div;
if (!il_is_alive(il))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
/*
* The statistic information display here is based on
* the last stats notification from uCode
* might not reflect the current uCode activity
*/
general = &il->_3945.stats.general;
dbg = &il->_3945.stats.general.dbg;
div = &il->_3945.stats.general.div;
accum_general = &il->_3945.accum_stats.general;
delta_general = &il->_3945.delta_stats.general;
max_general = &il->_3945.max_delta.general;
accum_dbg = &il->_3945.accum_stats.general.dbg;
delta_dbg = &il->_3945.delta_stats.general.dbg;
max_dbg = &il->_3945.max_delta.general.dbg;
accum_div = &il->_3945.accum_stats.general.div;
delta_div = &il->_3945.delta_stats.general.div;
max_div = &il->_3945.max_delta.general.div;
pos += il3945_stats_flag(il, buf, bufsz);
pos +=
scnprintf(buf + pos, bufsz - pos,
"%-32s current"
"acumulative delta max\n",
"Statistics_General:");
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "burst_check:",
le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
delta_dbg->burst_check, max_dbg->burst_check);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "burst_count:",
le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
delta_dbg->burst_count, max_dbg->burst_count);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sleep_time:",
le32_to_cpu(general->sleep_time),
accum_general->sleep_time, delta_general->sleep_time,
max_general->sleep_time);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "slots_out:",
le32_to_cpu(general->slots_out), accum_general->slots_out,
delta_general->slots_out, max_general->slots_out);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "slots_idle:",
le32_to_cpu(general->slots_idle),
accum_general->slots_idle, delta_general->slots_idle,
max_general->slots_idle);
pos +=
scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
le32_to_cpu(general->ttl_timestamp));
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "tx_on_a:",
le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
delta_div->tx_on_a, max_div->tx_on_a);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "tx_on_b:",
le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
delta_div->tx_on_b, max_div->tx_on_b);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "exec_time:",
le32_to_cpu(div->exec_time), accum_div->exec_time,
delta_div->exec_time, max_div->exec_time);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "probe_time:",
le32_to_cpu(div->probe_time), accum_div->probe_time,
delta_div->probe_time, max_div->probe_time);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
ssize_t
il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
char *buf;
int bufsz =
sizeof(struct iwl39_stats_rx_phy) * 40 +
sizeof(struct iwl39_stats_rx_non_phy) * 40 + 400;
ssize_t ret;
struct iwl39_stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
struct iwl39_stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
struct iwl39_stats_rx_non_phy *general, *accum_general;
struct iwl39_stats_rx_non_phy *delta_general, *max_general;
if (!il_is_alive(il))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
/*
* The statistic information display here is based on
* the last stats notification from uCode
* might not reflect the current uCode activity
*/
ofdm = &il->_3945.stats.rx.ofdm;
cck = &il->_3945.stats.rx.cck;
general = &il->_3945.stats.rx.general;
accum_ofdm = &il->_3945.accum_stats.rx.ofdm;
accum_cck = &il->_3945.accum_stats.rx.cck;
accum_general = &il->_3945.accum_stats.rx.general;
delta_ofdm = &il->_3945.delta_stats.rx.ofdm;
delta_cck = &il->_3945.delta_stats.rx.cck;
delta_general = &il->_3945.delta_stats.rx.general;
max_ofdm = &il->_3945.max_delta.rx.ofdm;
max_cck = &il->_3945.max_delta.rx.cck;
max_general = &il->_3945.max_delta.rx.general;
pos += il3945_stats_flag(il, buf, bufsz);
pos +=
scnprintf(buf + pos, bufsz - pos,
"%-32s current"
"acumulative delta max\n",
"Statistics_Rx - OFDM:");
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "ina_cnt:",
le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_cnt:",
le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "plcp_err:",
le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
delta_ofdm->plcp_err, max_ofdm->plcp_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "crc32_err:",
le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
delta_ofdm->crc32_err, max_ofdm->crc32_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "overrun_err:",
le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
delta_ofdm->overrun_err, max_ofdm->overrun_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "early_overrun_err:",
le32_to_cpu(ofdm->early_overrun_err),
accum_ofdm->early_overrun_err,
delta_ofdm->early_overrun_err,
max_ofdm->early_overrun_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "crc32_good:",
le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
delta_ofdm->crc32_good, max_ofdm->crc32_good);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
le32_to_cpu(ofdm->false_alarm_cnt),
accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
max_ofdm->false_alarm_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_sync_err_cnt:",
le32_to_cpu(ofdm->fina_sync_err_cnt),
accum_ofdm->fina_sync_err_cnt,
delta_ofdm->fina_sync_err_cnt,
max_ofdm->fina_sync_err_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sfd_timeout:",
le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_timeout:",
le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "unresponded_rts:",
le32_to_cpu(ofdm->unresponded_rts),
accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
max_ofdm->unresponded_rts);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n",
"rxe_frame_lmt_ovrun:",
le32_to_cpu(ofdm->rxe_frame_limit_overrun),
accum_ofdm->rxe_frame_limit_overrun,
delta_ofdm->rxe_frame_limit_overrun,
max_ofdm->rxe_frame_limit_overrun);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sent_ack_cnt:",
le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sent_cts_cnt:",
le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
"%-32s current"
"acumulative delta max\n",
"Statistics_Rx - CCK:");
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "ina_cnt:",
le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
delta_cck->ina_cnt, max_cck->ina_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_cnt:",
le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
delta_cck->fina_cnt, max_cck->fina_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "plcp_err:",
le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
delta_cck->plcp_err, max_cck->plcp_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "crc32_err:",
le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
delta_cck->crc32_err, max_cck->crc32_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "overrun_err:",
le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
delta_cck->overrun_err, max_cck->overrun_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "early_overrun_err:",
le32_to_cpu(cck->early_overrun_err),
accum_cck->early_overrun_err,
delta_cck->early_overrun_err, max_cck->early_overrun_err);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "crc32_good:",
le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
delta_cck->crc32_good, max_cck->crc32_good);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
le32_to_cpu(cck->false_alarm_cnt),
accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
max_cck->false_alarm_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_sync_err_cnt:",
le32_to_cpu(cck->fina_sync_err_cnt),
accum_cck->fina_sync_err_cnt,
delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sfd_timeout:",
le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
delta_cck->sfd_timeout, max_cck->sfd_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "fina_timeout:",
le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
delta_cck->fina_timeout, max_cck->fina_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "unresponded_rts:",
le32_to_cpu(cck->unresponded_rts),
accum_cck->unresponded_rts, delta_cck->unresponded_rts,
max_cck->unresponded_rts);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n",
"rxe_frame_lmt_ovrun:",
le32_to_cpu(cck->rxe_frame_limit_overrun),
accum_cck->rxe_frame_limit_overrun,
delta_cck->rxe_frame_limit_overrun,
max_cck->rxe_frame_limit_overrun);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sent_ack_cnt:",
le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "sent_cts_cnt:",
le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
"%-32s current"
"acumulative delta max\n",
"Statistics_Rx - GENERAL:");
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "bogus_cts:",
le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
delta_general->bogus_cts, max_general->bogus_cts);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "bogus_ack:",
le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
delta_general->bogus_ack, max_general->bogus_ack);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "non_bssid_frames:",
le32_to_cpu(general->non_bssid_frames),
accum_general->non_bssid_frames,
delta_general->non_bssid_frames,
max_general->non_bssid_frames);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "filtered_frames:",
le32_to_cpu(general->filtered_frames),
accum_general->filtered_frames,
delta_general->filtered_frames,
max_general->filtered_frames);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n",
"non_channel_beacons:",
le32_to_cpu(general->non_channel_beacons),
accum_general->non_channel_beacons,
delta_general->non_channel_beacons,
max_general->non_channel_beacons);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t
il_dbgfs_sensitivity_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = sizeof(struct il_sensitivity_data) * 4 + 100;
ssize_t ret;
struct il_sensitivity_data *data;
data = &il->sensitivity_data;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
data->auto_corr_ofdm);
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc:\t\t %u\n",
data->auto_corr_ofdm_mrc);
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
data->auto_corr_ofdm_x1);
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc_x1:\t\t %u\n",
data->auto_corr_ofdm_mrc_x1);
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
data->auto_corr_cck);
pos +=
scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
data->auto_corr_cck_mrc);
pos +=
scnprintf(buf + pos, bufsz - pos,
"last_bad_plcp_cnt_ofdm:\t\t %u\n",
data->last_bad_plcp_cnt_ofdm);
pos +=
scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
data->last_fa_cnt_ofdm);
pos +=
scnprintf(buf + pos, bufsz - pos, "last_bad_plcp_cnt_cck:\t\t %u\n",
data->last_bad_plcp_cnt_cck);
pos +=
scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
data->last_fa_cnt_cck);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
data->nrg_curr_state);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
data->nrg_prev_state);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
for (cnt = 0; cnt < 10; cnt++) {
pos +=
scnprintf(buf + pos, bufsz - pos, " %u",
data->nrg_value[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
pos +=
scnprintf(buf + pos, bufsz - pos, " %u",
data->nrg_silence_rssi[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
data->nrg_silence_ref);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
data->nrg_energy_idx);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
data->nrg_silence_idx);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
data->nrg_th_cck);
pos +=
scnprintf(buf + pos, bufsz - pos,
"nrg_auto_corr_silence_diff:\t %u\n",
data->nrg_auto_corr_silence_diff);
pos +=
scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
data->num_in_cck_no_fa);
pos +=
scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
data->nrg_th_ofdm);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
ssize_t
il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0;
char *buf;
int bufsz = (sizeof(struct iwl39_stats_tx) * 48) + 250;
ssize_t ret;
struct iwl39_stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
if (!il_is_alive(il))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate Buffer\n");
return -ENOMEM;
}
/*
* The statistic information display here is based on
* the last stats notification from uCode
* might not reflect the current uCode activity
*/
tx = &il->_3945.stats.tx;
accum_tx = &il->_3945.accum_stats.tx;
delta_tx = &il->_3945.delta_stats.tx;
max_tx = &il->_3945.max_delta.tx;
pos += il3945_stats_flag(il, buf, bufsz);
pos +=
scnprintf(buf + pos, bufsz - pos,
"%-32s current"
"acumulative delta max\n",
"Statistics_Tx:");
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "preamble:",
le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
delta_tx->preamble_cnt, max_tx->preamble_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "rx_detected_cnt:",
le32_to_cpu(tx->rx_detected_cnt),
accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
max_tx->rx_detected_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "bt_prio_defer_cnt:",
le32_to_cpu(tx->bt_prio_defer_cnt),
accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
max_tx->bt_prio_defer_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "bt_prio_kill_cnt:",
le32_to_cpu(tx->bt_prio_kill_cnt),
accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
max_tx->bt_prio_kill_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "few_bytes_cnt:",
le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "cts_timeout:",
le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
delta_tx->cts_timeout, max_tx->cts_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "ack_timeout:",
le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
delta_tx->ack_timeout, max_tx->ack_timeout);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "expected_ack_cnt:",
le32_to_cpu(tx->expected_ack_cnt),
accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
max_tx->expected_ack_cnt);
pos +=
scnprintf(buf + pos, bufsz - pos,
" %-30s %10u %10u %10u %10u\n", "actual_ack_cnt:",
le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
