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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-04-30 11:35:15 -0700
committerReinette Chatre <reinette.chatre@intel.com>2010-05-10 15:09:03 -0700
commit470356b891f1d18e87d5fdc393976fab6d0a978d (patch)
treea2372834f7d624abe35bd2952060511c55fd31b5
parent3bce6066263efb5733ee2141ac8b56684fb3b0a7 (diff)
downloadop-kernel-dev-470356b891f1d18e87d5fdc393976fab6d0a978d.zip
op-kernel-dev-470356b891f1d18e87d5fdc393976fab6d0a978d.tar.gz
iwlwifi: "tx power per chain" are part of ucode_tx_stats
Move "tx power per chain" into ucode_tx_stats, it is debugging information provided by uCode as part of statistics notification. The "tx power per chain" parameters are optional parameters which only supported by 6000 series device today; those are reserved fields for all the other devices. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c16
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c42
3 files changed, 21 insertions, 42 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
index f249b70..48c023b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
@@ -709,6 +709,22 @@ ssize_t iwl_ucode_tx_stats_read(struct file *file,
delta_tx->agg.rx_ba_rsp_cnt,
max_tx->agg.rx_ba_rsp_cnt);
+ if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "tx power: (1/2 dB step)\n");
+ if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tantenna A: 0x%X\n",
+ tx->tx_power.ant_a);
+ if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tantenna B: 0x%X\n",
+ tx->tx_power.ant_b);
+ if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tantenna C: 0x%X\n",
+ tx->tx_power.ant_c);
+ }
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 449d41f..9aab020 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3127,6 +3127,11 @@ struct statistics_tx {
__le32 cts_timeout_collision;
__le32 ack_or_ba_timeout_collision;
struct statistics_tx_non_phy_agg agg;
+ /*
+ * "tx_power" are optional parameters provided by uCode,
+ * 6000 series is the only device provide the information,
+ * Those are reserved fields for all the other devices
+ */
struct statistics_tx_power tx_power;
__le32 reserved1;
} __attribute__ ((packed));
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 06905bb..4d6de2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1214,46 +1214,6 @@ static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
return ret;
}
-static ssize_t iwl_dbgfs_chain_tx_power_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos) {
-
- struct iwl_priv *priv = file->private_data;
- char buf[128];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct statistics_tx *tx;
-
- if (!iwl_is_alive(priv))
- return -EAGAIN;
- else {
- tx = &priv->statistics.tx;
- if (tx->tx_power.ant_a ||
- tx->tx_power.ant_b ||
- tx->tx_power.ant_c) {
- pos += scnprintf(buf + pos, bufsz - pos,
- "tx power: (1/2 dB step)\n");
- if ((priv->cfg->valid_tx_ant & ANT_A) &&
- tx->tx_power.ant_a)
- pos += scnprintf(buf + pos, bufsz - pos,
- "\tantenna A: 0x%X\n",
- tx->tx_power.ant_a);
- if ((priv->cfg->valid_tx_ant & ANT_B) &&
- tx->tx_power.ant_b)
- pos += scnprintf(buf + pos, bufsz - pos,
- "\tantenna B: 0x%X\n",
- tx->tx_power.ant_b);
- if ((priv->cfg->valid_tx_ant & ANT_C) &&
- tx->tx_power.ant_c)
- pos += scnprintf(buf + pos, bufsz - pos,
- "\tantenna C: 0x%X\n",
- tx->tx_power.ant_c);
- } else
- pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
- }
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -1565,7 +1525,6 @@ DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
DEBUGFS_READ_FILE_OPS(sensitivity);
DEBUGFS_READ_FILE_OPS(chain_noise);
-DEBUGFS_READ_FILE_OPS(chain_tx_power);
DEBUGFS_READ_FILE_OPS(power_save_status);
DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
@@ -1624,7 +1583,6 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
- DEBUGFS_ADD_FILE(chain_tx_power, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
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