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iwlagn: keep track of failure tx status 

Tx command response sent to host by uCode after completed
the transmission attempt. The status parameter indicates
whether the transmission was successful, or else why if failed.

Here we keep the counters to help understand the different failure
cases.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Wey-Yi Guy 2010-09-05 10:49:42 -07:00
Родитель 91835ba401
Коммит 54a9aa65f7
8 изменённых файлов: 126 добавлений и 0 удалений
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1
drivers/net/wireless/iwlwifi/iwl-1000.c
Просмотреть файл

@ -223,6 +223,7 @@ static struct iwl_lib_ops iwl1000_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,

1
drivers/net/wireless/iwlwifi/iwl-4965.c
Просмотреть файл

@ -2289,6 +2289,7 @@ static struct iwl_lib_ops iwl4965_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,

2
drivers/net/wireless/iwlwifi/iwl-5000.c
Просмотреть файл

@ -404,6 +404,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,
@ -475,6 +476,7 @@ static struct iwl_lib_ops iwl5150_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,

2
drivers/net/wireless/iwlwifi/iwl-6000.c
Просмотреть файл

@ -329,6 +329,7 @@ static struct iwl_lib_ops iwl6000_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,
@ -404,6 +405,7 @@ static struct iwl_lib_ops iwl6000g2b_lib = {
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,

97
drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
Просмотреть файл

@ -1011,3 +1011,100 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file,
kfree(buf);
return ret;
}
ssize_t iwl_reply_tx_error_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
int pos = 0;
char *buf;
int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + 200;
ssize_t ret;
if (!iwl_is_alive(priv))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
priv->_agn.reply_tx_stats.pp_delay);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
priv->_agn.reply_tx_stats.pp_few_bytes);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
priv->_agn.reply_tx_stats.pp_bt_prio);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
priv->_agn.reply_tx_stats.pp_quiet_period);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
priv->_agn.reply_tx_stats.pp_calc_ttak);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
priv->_agn.reply_tx_stats.int_crossed_retry);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
priv->_agn.reply_tx_stats.short_limit);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
priv->_agn.reply_tx_stats.long_limit);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
priv->_agn.reply_tx_stats.fifo_underrun);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
priv->_agn.reply_tx_stats.drain_flow);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
priv->_agn.reply_tx_stats.rfkill_flush);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
priv->_agn.reply_tx_stats.life_expire);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
priv->_agn.reply_tx_stats.dest_ps);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
priv->_agn.reply_tx_stats.host_abort);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
priv->_agn.reply_tx_stats.pp_delay);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
priv->_agn.reply_tx_stats.sta_invalid);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
priv->_agn.reply_tx_stats.frag_drop);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
priv->_agn.reply_tx_stats.tid_disable);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
priv->_agn.reply_tx_stats.fifo_flush);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
priv->_agn.reply_tx_stats.insuff_cf_poll);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FW_DROP),
priv->_agn.reply_tx_stats.fail_hw_drop);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_STA_COLOR_MISMATCH_DROP),
priv->_agn.reply_tx_stats.sta_color_mismatch);
pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
priv->_agn.reply_tx_stats.unknown);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}

7
drivers/net/wireless/iwlwifi/iwl-agn-debugfs.h
Просмотреть файл

@ -39,6 +39,8 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos);
ssize_t iwl_ucode_bt_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos);
ssize_t iwl_reply_tx_error_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos);
#else
static ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
@ -60,4 +62,9 @@ static ssize_t iwl_ucode_bt_stats_read(struct file *file, char __user *user_buf,
{
return 0;
}
static ssize_t iwl_reply_tx_error_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
return 0;
}
#endif

2
drivers/net/wireless/iwlwifi/iwl-core.h
Просмотреть файл

@ -130,6 +130,8 @@ struct iwl_debugfs_ops {
size_t count, loff_t *ppos);
ssize_t (*bt_stats_read)(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos);
ssize_t (*reply_tx_error)(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos);
};
struct iwl_temp_ops {

14
drivers/net/wireless/iwlwifi/iwl-debugfs.c
Просмотреть файл

@ -1642,6 +1642,18 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
return count;
}
static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
file, user_buf, count, ppos);
else
return -ENODATA;
}
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@ -1668,6 +1680,7 @@ DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
DEBUGFS_WRITE_FILE_OPS(monitor_period);
DEBUGFS_READ_FILE_OPS(bt_traffic);
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
/*
* Create the debugfs files and directories
@ -1738,6 +1751,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
if (priv->cfg->bt_statistics)
DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(reply_tx_error, 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(monitor_period, dir_debug, S_IWUSR);