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10 May 2010 15:28:07 -0700 From: Reinette Chatre To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Wey-Yi Guy , Reinette Chatre Subject: [PATCH 37/47] iwlwifi: "tx power per chain" are part of ucode_tx_stats Date: Mon, 10 May 2010 15:28:08 -0700 Message-Id: <1273530498-11876-38-git-send-email-reinette.chatre@intel.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1273530498-11876-1-git-send-email-reinette.chatre@intel.com> References: <1273530498-11876-1-git-send-email-reinette.chatre@intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 10 May 2010 22:29:04 +0000 (UTC) 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);