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>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
index f249b706bf17..48c023b4ca36 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;